diff --git a/docs/agent-fleet-server-ES-CAs-certificates-usage.md b/docs/agent-fleet-server-ES-CAs-certificates-usage.md
index df8145325c9..214c2a8cd71 100644
--- a/docs/agent-fleet-server-ES-CAs-certificates-usage.md
+++ b/docs/agent-fleet-server-ES-CAs-certificates-usage.md
@@ -7,6 +7,10 @@ This shows the different certificates and certificate authorities used by the El
 
 ## TLS
 
+For the TLS case, we have:
+ - fleet-ca: the certificate authority for the certificate presented by Fleet Server
+ - fleet-cert: the TLS certificate Fleet Server presents when a client makes an HTTPS request
+
 ```shell
 elastic-agent install --url=https://your-fleet-server.elastic.co:443 \
 --certificate-authorities=/path/to/fleet-ca \
@@ -21,10 +25,10 @@ elastic-agent install --url=https://your-fleet-server.elastic.co:443 \
 ```mermaid
 flowchart LR
     subgraph TLS
-        elastic-agent[asas]
+        elastic-agent[fleet-ca]
 
         fleet-server((fleet-server))
-        elasticsearch((ES))
+        elasticsearch((elasticsearch))
 
     end
 
@@ -74,10 +78,10 @@ elastic-agent install --url=https://your-fleet-server.elastic.co:443 \
 ```mermaid
 flowchart LR
     subgraph mTLS
-        elastic-agent[asas]
+        elastic-agent((elastic-agent))
 
         fleet-server((fleet-server))
-        elasticsearch((ES))
+        elasticsearch((elasticsearch))
 
     end