diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8c866e776bb5..a4f3d6743fab 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
+
+	* tree-pass.h (TODO_update_ssa_any): Document internal use only.
+
 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 
 	* gbl-ctors.h: Add header guard.
diff --git a/gcc/tree-pass.h b/gcc/tree-pass.h
index f300d0eea962..c2bf49456de4 100644
--- a/gcc/tree-pass.h
+++ b/gcc/tree-pass.h
@@ -297,6 +297,7 @@ struct dump_file_info
 /* Rebuild the addressable-vars bitmap and do register promotion.  */
 #define TODO_update_address_taken	(1 << 21)
 
+/* Internally used in execute_function_todo().  */
 #define TODO_update_ssa_any		\
     (TODO_update_ssa			\
      | TODO_update_ssa_no_phi		\