diff --git a/mm/vmscan.c b/mm/vmscan.c
index d4d7cd1..dbabf812 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -910,7 +910,7 @@
 		 * order to detect refaults, thus thrashing, later on.
 		 *
 		 * But don't store shadows in an address space that is
-		 * already exiting.  This is not just an optizimation,
+		 * already exiting.  This is not just an optimization,
 		 * inode reclaim needs to empty out the radix tree or
 		 * the nodes are lost.  Don't plant shadows behind its
 		 * back.