diff --git a/routers/api/v1/repo/compare.go b/routers/api/v1/repo/compare.go
index 549b9b7fa9..cfd61d768c 100644
--- a/routers/api/v1/repo/compare.go
+++ b/routers/api/v1/repo/compare.go
@@ -16,7 +16,7 @@ import (
 
 // CompareDiff compare two branches or commits
 func CompareDiff(ctx *context.APIContext) {
-	// swagger:operation GET /repos/{owner}/{repo}/compare/{basehead} Get commit comparison information
+	// swagger:operation GET /repos/{owner}/{repo}/compare/{basehead} repository repoCompareDiff
 	// ---
 	// summary: Get commit comparison information
 	// produces:
diff --git a/templates/swagger/v1_json.tmpl b/templates/swagger/v1_json.tmpl
index 532b8880bc..faf57454d7 100644
--- a/templates/swagger/v1_json.tmpl
+++ b/templates/swagger/v1_json.tmpl
@@ -5346,12 +5346,10 @@
           "application/json"
         ],
         "tags": [
-          "Get",
-          "commit",
-          "comparison"
+          "repository"
         ],
         "summary": "Get commit comparison information",
-        "operationId": "information",
+        "operationId": "repoCompareDiff",
         "parameters": [
           {
             "type": "string",