diff --git a/docs/src/assets/schemas/config.schema.json b/docs/src/assets/schemas/config.schema.json
index 92453f37d..627f5ce4a 100644
--- a/docs/src/assets/schemas/config.schema.json
+++ b/docs/src/assets/schemas/config.schema.json
@@ -13,7 +13,7 @@
           "name": {
             "type": "string",
             "description": "The name of the grammar.",
-            "pattern": "^[a-z0-9_]+$"
+            "pattern": "^[a-z0-9_-]+$"
           },
           "camelcase": {
             "type": "string",