feat(API): Improve clientKey description

Author: drobnikj

apify-api/openapi/paths/request-queues/request-queues@{queueId}@requests@{requestId}@lock.yaml

@@ -37,10 +37,10 @@ put:
     - name: clientKey
       in: query
       description: |
-        A unique identifier of the client accessing the request queue. It must
-        be a string between 1 and 32 characters long. This identifier is used to for locking
-        and unlocking requests. You can lock and unlock only requests that were locked by by same
-        client key or from the same Actor run.
+          A unique identifier of the client accessing the request queue. It must
+          be a string between 1 and 32 characters long. This identifier is used to for locking
+          and unlocking requests. You can delete or prolong lock only for requests that were locked by by same
+          client key or from the same Actor run.
       style: form
       explode: true
       schema: