diff --git a/apify-api/openapi/paths/request-queues/request-queues@{queueId}@requests.yaml b/apify-api/openapi/paths/request-queues/request-queues@{queueId}@requests.yaml
index e72f06e0af..f528afa3ac 100644
--- a/apify-api/openapi/paths/request-queues/request-queues@{queueId}@requests.yaml
+++ b/apify-api/openapi/paths/request-queues/request-queues@{queueId}@requests.yaml
@@ -37,15 +37,17 @@ get:
         example: eyJyZXF1ZXN0SWQiOiI2OFRqQ2RaTDNvM2hiUU0ifQ
     - name: filter
       in: query
-      description: Filter requests by their state. Possible values are `locked` and `pending`. (Is not compatible with deprecated `exclusiveStartId` parameter.)
+      description: Filter requests by their state. Possible values are `locked` and `pending`. You can combine multiple values separated by commas, which will mean the union of these filters – requests matching any of the specified states will be returned. (Not compatible with deprecated `exclusiveStartId` parameter.)
       style: form
-      explode: true
+      explode: false
       schema:
-        type: string
-        enum:
-          - locked
-          - pending
-        example: locked
+        type: array
+        items:
+          type: string
+          enum:
+            - locked
+            - pending
+        example: [locked]
   responses:
     "200":
       description: ""