diff --git a/docs/docs.go b/docs/docs.go
index 4162d8a0..f21f508c 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -62,6 +62,12 @@ const docTemplate = `{
                         "description": "answer id or question title",
                         "name": "query",
                         "in": "query"
+                    },
+                    {
+                        "type": "string",
+                        "description": "question id",
+                        "name": "question_id",
+                        "in": "query"
                     }
                 ],
                 "responses": {
diff --git a/docs/swagger.json b/docs/swagger.json
index e60de534..039f67f5 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -50,6 +50,12 @@
                         "description": "answer id or question title",
                         "name": "query",
                         "in": "query"
+                    },
+                    {
+                        "type": "string",
+                        "description": "question id",
+                        "name": "question_id",
+                        "in": "query"
                     }
                 ],
                 "responses": {
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index 810cfef8..c419b60e 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -1394,6 +1394,10 @@ paths:
         in: query
         name: query
         type: string
+      - description: question id
+        in: query
+        name: question_id
+        type: string
       produces:
       - application/json
       responses: