diff --git a/components/security/authentication.rst b/components/security/authentication.rst
index bbf1ca95f7d..2eb521c204d 100644
--- a/components/security/authentication.rst
+++ b/components/security/authentication.rst
@@ -140,7 +140,7 @@ password was valid::
         )
     );
 
-    // for some extra checks: is account enabled, locked, expired, etc.?
+    // for some extra checks: is account enabled, locked, expired, etc.
     $userChecker = new UserChecker();
 
     // an array of password encoders (see below)