Update docs to reflect new plugin behavior. (#13543)

* Update docs to reflect that TLS connection state is now available to plugins

* Fix typo (D'oh!)

Author: tep

website/content/docs/internals/plugins.mdx

@@ -79,8 +79,8 @@ backend has HA enabled and supports automatic host address detection
 (e.g. Consul), Vault will automatically attempt to determine the `api_addr` as
 well.
 
-~> Note: Reading the original connection's TLS connection state is not supported
-in plugins.
+~> Note: Prior to Vault version 1.9.2, reading the original connection's TLS
+connection state is not supported in plugins.
 
 ## Plugin Registration