Add more clarity

Author: zxl629

src/pages/[platform]/build-a-backend/data/connect-event-api/index.mdx

@@ -82,9 +82,10 @@ export default function App() {
   }, []);
 
   async function publishEvent() {
+    // Publish via HTTP POST
     await events.post('default/channel', { some: 'data' });
 
-    // Alternative way to publish events through the channel
+    // Alternatively, publish events through the WebSocket channel
     const channel = await events.connect('default/channel');
     await channel.publish({ some: 'data' });
   }
@@ -244,9 +245,10 @@ export default function App() {
   }, []);
 
   async function publishEvent() {
+    // Publish via HTTP POST
     await events.post('default/channel', { some: 'data' });
 
-    // Alternative way to publish events through the channel
+    // Alternatively, publish events through the WebSocket channel
     const channel = await events.connect('default/channel');
     await channel.publish({ some: 'data' });
   }