diff --git a/lms/templates/register.html b/lms/templates/register.html
index 4eefcf6501..834f99fbf0 100644
--- a/lms/templates/register.html
+++ b/lms/templates/register.html
@@ -160,7 +160,7 @@
           <li class="field required text" id="field-username">
             <label for="username">${_('Public Username')}</label>
             <input id="username" type="text" name="username" value="${extauth_username}" placeholder="${_('example: JaneDoe')}" required aria-required="true" aria-describedby="username-tip" />
-            <span class="tip tip-input" id="id="username-tip"">${_('Will be shown in any discussions or forums you participate in')}</span>
+            <span class="tip tip-input" id="id="username-tip>${_('Will be shown in any discussions or forums you participate in')}</span>
           </li>
 
           % if ask_for_fullname: