diff --git a/.github/prompts/similar_issues.prompt.yml b/.github/prompts/similar_issues.prompt.yml
index 88af1494c..ef628e8f6 100644
--- a/.github/prompts/similar_issues.prompt.yml
+++ b/.github/prompts/similar_issues.prompt.yml
@@ -32,7 +32,7 @@ jsonSchema: |-
             "properties": {
               "number": { "type": "integer" },
               "title": { "type": "string" },
-              "url": { "type": "string" },
+              "url": { "type": "string" }
             },
             "required": ["number", "title", "url"],
             "additionalProperties": false