diff --git a/src/tpl/create-account.html b/src/tpl/create-account.html
index a2bac8f..13f98c5 100644
--- a/src/tpl/create-account.html
+++ b/src/tpl/create-account.html
@@ -284,7 +284,7 @@
             </label>
           </div>
           <div class="form__col form__col--2">
-            <input class="input-text" type="tel" ng-model="dial" required placeholder="Mobile phone number" tabindex="5">
+            <input class="input-text" type="tel" ng-model="dial" required placeholder="Mobile phone (for SMS validation)" tabindex="5">
           </div>
         </div>
         <div class="form__row">