Update textarea placeholder text in index.html

Author: phpfact

index.html

@@ -314,7 +314,7 @@ <h1>Git Commit</h1>
 
     <div class="form-group">
       <label>3️⃣ Short Message</label>
-      <textarea id="message" placeholder="e.g. Add phone OTP authentication"></textarea>
+      <textarea id="message" placeholder="e.g. add phone number field to authentication page"></textarea>
     </div>
 
     <div class="form-group">