diff --git a/doctrine/mapping_model_classes.rst b/doctrine/mapping_model_classes.rst
index 0186da91b0f..4eadefb5206 100644
--- a/doctrine/mapping_model_classes.rst
+++ b/doctrine/mapping_model_classes.rst
@@ -93,7 +93,7 @@ be adapted for your case::
         }
     }
 
-Note the :phpfunction:`class_exists()` check. This is crucial, as you do not want your
+Note the :phpfunction:`class_exists` check. This is crucial, as you do not want your
 bundle to have a hard dependency on all Doctrine bundles but let the user
 decide which to use.