diff --git a/src/views/domains.html b/src/views/domains.html
index bcd5b8059..74b1c5f09 100644
--- a/src/views/domains.html
+++ b/src/views/domains.html
@@ -91,6 +91,9 @@
             </div>
             <div class="form-group" ng-class="{ 'has-error': false }" ng-show="domainConfigure.provider === 'namecheap'">
               <label class="control-label">API Key <sup><a href="https://ap.www.namecheap.com/settings/tools/apiaccess/" class="help" target="_blank"><i class="fa fa-question-circle"></i></a></sup></label>
+              <p class="small text-info" ng-show="domainConfigure.provider === 'namecheap'">
+                <b>The server IP needs to be whitelisted for this API Key.</b>
+              </p>
               <input type="text" class="form-control" ng-model="domainConfigure.namecheapApiKey" name="namecheapApiKey" ng-disabled="domainConfigure.busy" ng-minlength="1" ng-required="domainConfigure.provider === 'namecheap'">
             </div>