diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 9e255c7a0b2c0e866cdd9b86ecab11c1f6a8b766..430cbd8bfbbfe9b024ac4ebef4e48ed9304b414d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2009-06-21  Michael Snyder  <msnyder@vmware.com>
+
+	* inferior.h: Update ancient comment.
+
 2009-06-20  Aleksandar Ristovski  <aristovski@qnx.com>
 	    Pedro Alves  <pedro@codesourcery.com>
 
diff --git a/gdb/inferior.h b/gdb/inferior.h
index c793936801bc2141c9d86ad23ec5c5261f342270..ce255ee2a074ca927289b0993ecbe9c214bbd2b1 100644
--- a/gdb/inferior.h
+++ b/gdb/inferior.h
@@ -287,8 +287,9 @@ extern int stop_stack_dummy;
 
 extern int stopped_by_random_signal;
 
-/* 1 means step over all subroutine calls.
-   -1 means step over calls to undebuggable functions.  */
+/* STEP_OVER_ALL means step over all subroutine calls.
+   STEP_OVER_UNDEBUGGABLE means step over calls to undebuggable functions.
+   STEP_OVER_NONE means don't step over any subroutine calls.  */
 
 enum step_over_calls_kind
   {