diff --git a/index.html b/index.html
index b692ea57..cd7a80c8 100644
--- a/index.html
+++ b/index.html
@@ -427,7 +427,7 @@ <h1>Contact Us</h1>
                 </div>
                 <div class="input-box">
                     <label for="phone">Your Contact Number</label><br>
-                    <input class="dark_bg_txt" type="tel" id="phone" placeholder="Enter your contact number"
+                    <input class="dark_bg_txt" type="tel" id="phone" placeholder="Enter your contact number" maxlength="12"
                         oninput="this.parentElement.querySelector('small').textContent = ''">
                     <small class="error" style="color: rgb(255, 0, 0);"></small>
                 </div>