docs: Fix syntax error in example

Author: madsroskar

docusaurus/docs/reactnative/basics/hello_stream_chat.mdx

@@ -127,7 +127,7 @@ For the purpose of this guide you should create a `channel` as you see fit utili
    *  Channel created using a members list
    */
   const channel = client.channel('messaging', {
-      members: ['jlahey', 'rlafleur']
+      members: ['jlahey', 'rlafleur'],
       name: 'The Park', 
   });
   ```