Update docs/src/main/asciidoc/security-authentication-mechanisms.adoc

Co-authored-by: Michal Vavřík <43821672+michalvavrik@users.noreply.github.com>

docs/src/main/asciidoc/security-authentication-mechanisms.adoc

@@ -277,7 +277,7 @@ The information from the client certificate can be used to add roles to Quarkus
 You can add new roles to `SecurityIdentity` after checking a client certificate's common name(CN) attribute.
 The easiest way to do is to use a certificate attribute to role mapping feature.
 
-For example, you can update the properties shown in the section which inroduces <<mutual-tls>> as follows:
+For example, you can update the properties shown in the section which introduces <<mutual-tls>> as follows:
 
 [source,properties]
 ----