diff --git a/schemas/commodity-v0.1.json b/schemas/commodity-v0.1.json
index 4fee62d..44ff808 100644
--- a/schemas/commodity-v0.1.json
+++ b/schemas/commodity-v0.1.json
@@ -91,7 +91,7 @@
   },
   "required": [
     "$schemaRef",
-    "header".
+    "header",
     "message"
   ]
 }
\ No newline at end of file