diff --git a/amqp/README.md b/amqp/README.md
index c1adb5dc..4998915b 100644
--- a/amqp/README.md
+++ b/amqp/README.md
@@ -13,10 +13,9 @@ Current version is `0.3.0`.
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
-
-
+This object does not contain any fixed fields. Its name is reserved for future use.
 
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 <a name="channel"></a>
 
diff --git a/amqp1/README.md b/amqp1/README.md
index e97e0ce1..08197d76 100644
--- a/amqp1/README.md
+++ b/amqp1/README.md
@@ -13,7 +13,9 @@ Current version is `0.1.0`.
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -22,16 +24,22 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 <a name="operation"></a>
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 <a name="message"></a>
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
diff --git a/anypointmq/README.md b/anypointmq/README.md
index e05d1658..10ae2bbd 100644
--- a/anypointmq/README.md
+++ b/anypointmq/README.md
@@ -37,7 +37,9 @@ Note that the choice of a particular Anypoint MQ client app (via its client ID a
 <a name="server"></a>
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 <a name="channel"></a>
 ## Channel Binding Object
@@ -82,7 +84,9 @@ channels:
 <a name="operation"></a>
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 <a name="message"></a>
 ## Message Binding Object
diff --git a/googlepubsub/README.md b/googlepubsub/README.md
index 8968bba3..5628b7d9 100644
--- a/googlepubsub/README.md
+++ b/googlepubsub/README.md
@@ -165,10 +165,14 @@ components:
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 <a name="server"></a>
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
diff --git a/http/README.md b/http/README.md
index 5139da76..86623ac3 100644
--- a/http/README.md
+++ b/http/README.md
@@ -13,7 +13,9 @@ Current version is `0.2.0`.
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -22,7 +24,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 <a name="operation"></a>
diff --git a/ibmmq/README.md b/ibmmq/README.md
index dd32039a..ab92ff11 100644
--- a/ibmmq/README.md
+++ b/ibmmq/README.md
@@ -211,7 +211,9 @@ channels:
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
diff --git a/jms/README.md b/jms/README.md
index 4e4d327d..76b1d3ed 100644
--- a/jms/README.md
+++ b/jms/README.md
@@ -13,7 +13,9 @@ Current version is `0.1.0`.
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -21,7 +23,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -29,7 +33,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -37,4 +43,6 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
diff --git a/mercure/README.md b/mercure/README.md
index f06f5ff3..54969967 100644
--- a/mercure/README.md
+++ b/mercure/README.md
@@ -13,7 +13,9 @@ Current version is `0.1.0`.
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -22,7 +24,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -31,7 +35,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -40,4 +46,6 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
diff --git a/mqtt/README.md b/mqtt/README.md
index b3193bbf..e76f949a 100644
--- a/mqtt/README.md
+++ b/mqtt/README.md
@@ -54,7 +54,9 @@ servers:
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
diff --git a/mqtt5/README.md b/mqtt5/README.md
index 5877eb9d..9093ae9a 100644
--- a/mqtt5/README.md
+++ b/mqtt5/README.md
@@ -49,7 +49,9 @@ servers:
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -57,7 +59,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -66,7 +70,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 [schemaObject]: https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#schemaObject
 [referenceObject]: https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#referenceObject
diff --git a/nats/README.md b/nats/README.md
index 107077a5..b35e09dc 100644
--- a/nats/README.md
+++ b/nats/README.md
@@ -11,12 +11,16 @@ Current version is `0.1.0`.
 <a name="server"></a>
 
 ## Server Binding Object
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 <a name="channel"></a>
 
 ## Channel Binding Object
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 <a name="operation"></a>
 
@@ -33,4 +37,6 @@ This object MAY be extended with [Specification Extensions](https://github.com/a
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
diff --git a/pulsar/README.md b/pulsar/README.md
index 2e209001..54ba7778 100644
--- a/pulsar/README.md
+++ b/pulsar/README.md
@@ -86,8 +86,12 @@ channels:
 
 <a name="operation"></a>
 ## Operation binding fields
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 <a name="message"></a>
 ## Message binding fields
-This object MUST NOT contain any properties. Its name is reserved for future use.
\ No newline at end of file
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
\ No newline at end of file
diff --git a/redis/README.md b/redis/README.md
index 56ca3163..f051ac0a 100644
--- a/redis/README.md
+++ b/redis/README.md
@@ -13,7 +13,9 @@ Current version is `0.1.0`.
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -21,7 +23,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -29,7 +33,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -37,4 +43,6 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
diff --git a/sns/README.md b/sns/README.md
index 6a0f81d9..d7d02b99 100644
--- a/sns/README.md
+++ b/sns/README.md
@@ -13,7 +13,9 @@ Current version is `0.1.0`.
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -21,7 +23,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -29,7 +33,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -37,4 +43,6 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
diff --git a/solace/README.md b/solace/README.md
index 475569f2..ed09e855 100644
--- a/solace/README.md
+++ b/solace/README.md
@@ -23,7 +23,9 @@ This object MAY be extended with [Specification Extensions](https://github.com/a
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -59,7 +61,9 @@ Each destination has the following structure:
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
diff --git a/sqs/README.md b/sqs/README.md
index 8bccca3f..54559bf0 100644
--- a/sqs/README.md
+++ b/sqs/README.md
@@ -13,7 +13,9 @@ Current version is `0.1.0`.
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -21,7 +23,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -29,7 +33,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -37,4 +43,6 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
diff --git a/stomp/README.md b/stomp/README.md
index 91433b34..6fe46cfa 100644
--- a/stomp/README.md
+++ b/stomp/README.md
@@ -13,7 +13,9 @@ Current version is `0.1.0`.
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -21,7 +23,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Channel Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -29,7 +33,9 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -37,4 +43,6 @@ This object MUST NOT contain any properties. Its name is reserved for future use
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
diff --git a/websockets/README.md b/websockets/README.md
index 4527590a..88131a06 100644
--- a/websockets/README.md
+++ b/websockets/README.md
@@ -13,7 +13,9 @@ Current version is `0.2.0`.
 
 ## Server Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 
@@ -39,14 +41,18 @@ This object MAY be extended with [Specification Extensions](https://github.com/a
 
 ## Operation Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 <a name="message"></a>
 
 ## Message Binding Object
 
-This object MUST NOT contain any properties. Its name is reserved for future use.
+This object does not contain any fixed fields. Its name is reserved for future use.
+
+This object MAY be extended with [Specification Extensions](https://github.com/asyncapi/spec/blob/master/spec/asyncapi.md#specification-extensions).
 
 
 [schemaObject]: https://www.asyncapi.com/docs/specifications/2.0.0/#schemaObject
\ No newline at end of file