diff --git a/formats/instruction_set.py b/formats/instruction_set.py
index 0ba2510e360c1b4a88176c9af3c6d1b879d76874..2fadbb64f9e844d37c7c7a2ca4de61047476afbf 100644
--- a/formats/instruction_set.py
+++ b/formats/instruction_set.py
@@ -23,7 +23,7 @@ config_file_schema = {
         },
         "static": {
             "type": "object",
-            "description": "list of the fixed values set by the config file"
+            "description": "list of the fixed values set by the config file",
         },
     },
     "required": ["name", "content"],