Update entity.rst

Author: raziel057

reference/forms/types/entity.rst

@@ -121,8 +121,8 @@ cast into a string and so must have a ``__toString()`` method.
 .. note::
 
     The ``property`` option is the property path used to display the option. So you 
-    can use anything supported by the :
-    doc:`PropertyAccessor component </components/property_access/introduction>`
+    can use anything supported by the
+    :doc:`PropertyAccessor component </components/property_access/introduction>`
 
     Usage sample::