diff --git a/src/validation/bitmap-brush.json b/src/validation/bitmap-brush.json
index fc30f89..5a2a579 100644
--- a/src/validation/bitmap-brush.json
+++ b/src/validation/bitmap-brush.json
@@ -6,7 +6,7 @@
   ],
   "properties" : {
     "image" : {
-      "type" : "string",
+      "type" : "string"
     }
   }
 }