Update evaluator.md
diff --git a/source/documentation/permissions/evaluator.md b/source/documentation/permissions/evaluator.md
index 10ed1fb..1d47f31 100644
--- a/source/documentation/permissions/evaluator.md
+++ b/source/documentation/permissions/evaluator.md
@@ -188,5 +188,5 @@
         @Override
         public boolean isPrincipalAuthenticated(Object principal) {
             return principal != null;
-        }
+        }x
 }