client.rb in google-cloud-firestore-v1-0.4.7

- old
+ new

@@ -1042,10 +1042,12 @@
             #     `projects/my-project/databases/my-database/documents` or
             #     `projects/my-project/databases/my-database/documents/chatrooms/my-chatroom`
             #   @param structured_query [::Google::Cloud::Firestore::V1::StructuredQuery, ::Hash]
             #     A structured query.
             #   @param transaction [::String]
-            #     Reads documents in a transaction.
+            #     Run the query within an already active transaction.
+            #
+            #     The value here is the opaque transaction ID to execute the query in.
             #   @param new_transaction [::Google::Cloud::Firestore::V1::TransactionOptions, ::Hash]
             #     Starts a new transaction and reads the documents.
             #     Defaults to a read-only transaction.
             #     The new transaction ID will be returned as the first response in the
             #     stream.