diff --git a/daemon/graphdriver/aufs/aufs.go b/daemon/graphdriver/aufs/aufs.go
index 3757ec56d0..79de4cda79 100644
--- a/daemon/graphdriver/aufs/aufs.go
+++ b/daemon/graphdriver/aufs/aufs.go
@@ -7,7 +7,7 @@ aufs driver directory structure
 │   ├── 1
 │   ├── 2
 │   └── 3
-├── diffs  // Content of the layer
+├── diff  // Content of the layer
 │   ├── 1  // Contains layers that need to be mounted for the id
 │   ├── 2
 │   └── 3