diff --git a/compiler/symconst.pas b/compiler/symconst.pas
index 8bf78fae99..2d7cb76e27 100644
--- a/compiler/symconst.pas
+++ b/compiler/symconst.pas
@@ -351,7 +351,7 @@ type
     oo_has_enumerator_movenext,
     oo_has_enumerator_current,
     oo_is_external,       { the class is externally implemented (objcclass, cppclass) }
-    oo_is_anonymous,      { the class is only formally defined in this module (objcclass x = class; external;) }
+    oo_is_formal,         { the class is only formally defined in this module (x = objcclass; external [name 'x'];) }
     oo_is_classhelper,    { objcclasses that represent categories, and Delpi-style class helpers, are marked like this }
     oo_has_class_constructor, { the object/class has a class constructor }
     oo_has_class_destructor   { the object/class has a class destructor  }