fix(fcm-guide): re-word Step 2 opening sentence

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: maratal

src/pages/docs/push/getting-started/apns.mdx

@@ -308,7 +308,7 @@ struct ContentView: View {
     let appDelegate: AppDelegate
 
     @State private var statusMessage = "Ready to start"
-    @State private var selectedChannel = "exampleChannel1"
+    @State private var selectedChannel = "my-first-push-channel"
 
     var body: some View {
         NavigationStack {
@@ -452,7 +452,7 @@ struct SetupPushSection: View {
 // Helper to get a user-friendly title for a channel
 func titleForChannel(_ name: String) -> String {
     let titles = [
-        "exampleChannel1": "Channel 1",
+        "my-first-push-channel": "Channel 1",
         "exampleChannel2": "Channel 2"
     ]
     return titles[name] ?? name
@@ -471,8 +471,8 @@ struct ChannelSection: View {
             VStack(spacing: 10) {
                 HStack(spacing: 8) {
                     Menu {
-                        Button(titleForChannel("exampleChannel1")) {
-                            selectedChannel = "exampleChannel1"
+                        Button(titleForChannel("my-first-push-channel")) {
+                            selectedChannel = "my-first-push-channel"
                         }
                         Button(titleForChannel("exampleChannel2")) {
                             selectedChannel = "exampleChannel2"
@@ -555,7 +555,7 @@ Subscribe to "Channel 1" in the UI, then publish a push notification to the chan
 
 <Code fixed="true">
 ```shell
-ably push publish --channel exampleChannel1 \
+ably push publish --channel my-first-push-channel \
   --title "Hello" \
   --body "World!" \
   --message '{"name":"greeting","data":"Hello World!"}'

src/pages/docs/push/getting-started/fcm.mdx

@@ -192,7 +192,7 @@ class MainActivity : AppCompatActivity() {
 
     companion object {
         private const val TAG = "MainActivity"
-        private const val CHANNEL_NAME = "exampleChannel1"
+        private const val CHANNEL_NAME = "my-first-push-channel"
     }
 
     private val realtime by lazy { AblyHelper.getInstance() }
@@ -493,7 +493,7 @@ class MainActivity : AppCompatActivity() {
 
     companion object {
         private const val TAG = "MainActivity"
-        private const val CHANNEL_NAME = "exampleChannel1"
+        private const val CHANNEL_NAME = "my-first-push-channel"
     }
 
     private val realtime by lazy { AblyHelper.getInstance() }
@@ -657,7 +657,7 @@ Tap **Subscribe to Channel** in the app, then publish a push notification to the
 
 <Code fixed="true">
 ```shell
-ably push publish --channel exampleChannel1 \
+ably push publish --channel my-first-push-channel \
   --title "Hello" \
   --body "World!" \
   --message '{"name":"greeting","data":"Hello World!"}'

src/pages/docs/push/getting-started/web.mdx

@@ -126,7 +126,7 @@ Now add this code inside the empty `<script>` tag to initialize the Ably client
 
 <Code>
 ```javascript
-const channelName = 'exampleChannel1';
+const channelName = 'my-first-push-channel';
 
 let realtimeClient;
 let channel;
@@ -549,7 +549,7 @@ Click **Subscribe** in the app, then publish a push notification to the channel
 
 <Code fixed="true">
 ```shell
-ably push publish --channel exampleChannel1 \
+ably push publish --channel my-first-push-channel \
   --title "Hello" \
   --body "World!" \
   --message '{"name":"greeting","data":"Hello World!"}'