Rephrase a sentence to clarify the usage of the word "safety"

text/0030-protocol-messages.md

@@ -28,7 +28,7 @@ This section details:
 
 The `Message` trait is protocol agnostic and only provides serialization and deserialization to and from byte buffers.
 It should not be used as is but rather be paired with a higher layer - like a type-length-value encoding - and as such
-does not provide any safety check on inputs/outputs.
+does not provide any bounds check on inputs/outputs buffers.
 
 ```rust
 /// A trait describing the behavior of a message.