minor #16089 [Security] Fix option name in comment (sebpacz)

This PR was merged into the 4.4 branch.

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[Security] Fix option name in comment

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Commits
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7a126d8 [Security] Fix option name in comment

Author: javiereguiluz

security/access_control.rst

@@ -301,7 +301,7 @@ key:
             access_control:
                 -
                     path: ^/_internal/secure
-                    # the 'role' and 'allow-if' options work like an OR expression, so
+                    # the 'roles' and 'allow-if' options work like an OR expression, so
                     # access is granted if the expression is TRUE or the user has ROLE_ADMIN
                     roles: 'ROLE_ADMIN'
                     allow_if: "'127.0.0.1' == request.getClientIp() or request.headers.has('X-Secure-Access')"