1 files changed, 1 insertions, 1 deletions
diff --git a/kalloc.c b/kalloc.c
index 83338c7..34a55eb 100644
--- a/kalloc.c
+++ b/kalloc.c
@@ -51,7 +51,7 @@ kfree(char *cp, int len)
   if(len % PAGE)
     panic("kfree");
 
-  // XXX fill with junk to help debug
+  // Fill with junk to catch dangling refs.
   for(i = 0; i < len; i++)
     cp[i] = 1;