1 files changed, 2 insertions, 1 deletions
diff --git a/file.c b/file.c
index 7640bbe..0efd51e 100644
--- a/file.c
+++ b/file.c
@@ -738,7 +738,8 @@ snap_deps (void)
   */
 #endif
 
-  /* Remember that we've done this. */
+  /* Remember that we've done this.  Once done we can no longer define
+     new targets.  */
   snapped_deps = 1;
 }