diff --git a/options.json b/options.json
index 31846cb..5a0c6c3 100644
--- a/options.json
+++ b/options.json
@@ -2,7 +2,7 @@
   "type": "object",
   "properties": {
     "limit": {
-      "type": "number"
+      "type": ["number", "string"]
     },
     "prefix": {
       "type": "string"