diff --git a/ghc/rts/Schedule.c b/ghc/rts/Schedule.c
index 1f8d06b77716984719a093c0ccc39c06b0de99dd..b3d34463d39746b91d28eb5ae25787d3e68b4a8d 100644
--- a/ghc/rts/Schedule.c
+++ b/ghc/rts/Schedule.c
@@ -1,5 +1,5 @@
 /* ---------------------------------------------------------------------------
- * $Id: Schedule.c,v 1.127 2002/02/15 17:49:23 sof Exp $
+ * $Id: Schedule.c,v 1.128 2002/02/15 20:58:14 sof Exp $
  *
  * (c) The GHC Team, 1998-2000
  *
@@ -1469,6 +1469,7 @@ suspendThread( StgRegTable *reg )
   startTask(taskStart);
 #endif
 
+  /* Other threads _might_ be available for execution; signal this */
   THREAD_RUNNABLE();
   RELEASE_LOCK(&sched_mutex);
   return tok;