Update placeholder format

Author: ebenezerdon

src/routes/docs/quick-starts/android-java/+page.markdoc

@@ -57,7 +57,7 @@ implementation "io.appwrite:sdk-for-android:7.0.0"
 ```
 
 In order to allow creating OAuth sessions, the following activity needs to be added inside the `<application>` tag, along side the existing `<activity>` tags in your [AndroidManifest.xml](https://github.com/appwrite/playground-for-flutter/blob/master/android/app/src/main/AndroidManifest.xml).
-Be sure to replace the **[PROJECT_ID]** string with your actual Appwrite project ID.
+Be sure to replace the **<PROJECT_ID>** string with your actual Appwrite project ID.
 You can find your Appwrite project ID in you project settings screen in your Appwrite Console.
 
 ```xml
@@ -71,7 +71,7 @@ You can find your Appwrite project ID in you project settings screen in your App
         <action android:name="android.intent.action.VIEW" />
         <category android:name="android.intent.category.DEFAULT" />
         <category android:name="android.intent.category.BROWSABLE" />
-        <data android:scheme="appwrite-callback-[PROJECT_ID]" />
+        <data android:scheme="appwrite-callback-<PROJECT_ID>" />
       </intent-filter>
     </activity>
   </application>
@@ -89,7 +89,7 @@ Find your project's ID in the **Settings** page.
 ![Project settings screen](/images/docs/quick-starts/project-id.png)
 {% /only_light %}
 
-Create a new file `AppwriteHelper.java` and add the following code to it, replacing `[PROJECT_ID]` with your project ID.
+Create a new file `AppwriteHelper.java` and add the following code to it, replacing `<PROJECT_ID>` with your project ID.
 
 ```java
 package YOUR_ROOT_PACKAGE_HERE;
@@ -112,7 +112,7 @@ public class AppwriteHelper {
     public static void init(Context context) {
         client = new Client(context)
                 .setEndpoint("https://<REGION>.cloud.appwrite.io/v1")
-                .setProject("[PROJECT_ID]");
+                .setProject("<PROJECT_ID>");
 
         account = new Account(client);
     }