diff --git a/webadmin/src/views/apps.html b/webadmin/src/views/apps.html
index af8d58173..ad0f6649c 100644
--- a/webadmin/src/views/apps.html
+++ b/webadmin/src/views/apps.html
@@ -52,7 +52,7 @@
 
                         <div class="has-error text-center" ng-show="appConfigure.error.cert">{{ appConfigure.error.cert }}</div>
                         <div class="form-group" ng-class="{ 'has-error': !appConfigureForm.certificate.$dirty && appConfigure.error.cert }" ng-show="config.isCustomDomain">
-                            <label class="control-label" for="appConfigureCertificateInput">Certificate</label>
+                            <label class="control-label" for="appConfigureCertificateInput">Certificate (optional)</label>
                             <div class="input-group">
                                 <input type="file" id="appConfigureCertificateFileInput" style="display:none"/>
                                 <input type="text" class="form-control" ng-model="appConfigure.certificateFileName" id="appConfigureCertificateInput" name="certificate" onclick="getElementById('appConfigureCertificateFileInput').click();" style="cursor: pointer;" ng-required="appConfigure.keyFileName">
@@ -62,7 +62,7 @@
                             </div>
                         </div>
                         <div class="form-group" ng-class="{ 'has-error': !appConfigureForm.key.$dirty && appConfigure.error.cert }" ng-show="config.isCustomDomain">
-                            <label class="control-label" for="appConfigureKeyInput">Private Key</label>
+                            <label class="control-label" for="appConfigureKeyInput">Private Key (optional)</label>
                             <div class="input-group">
                                 <input type="file" id="appConfigureKeyFileInput" style="display:none"/>
                                 <input type="text" class="form-control" ng-model="appConfigure.keyFileName" id="appConfigureKeyInput" name="key" onclick="getElementById('appConfigureKeyFileInput').click();" style="cursor: pointer;" ng-required="appConfigure.certificateFileName">
diff --git a/webadmin/src/views/appstore.html b/webadmin/src/views/appstore.html
index f315f5c6f..fdf344320 100644
--- a/webadmin/src/views/appstore.html
+++ b/webadmin/src/views/appstore.html
@@ -47,7 +47,7 @@
 
                         <div class="has-error text-center" ng-show="appInstall.error.cert">{{ appInstall.error.cert }}</div>
                         <div class="form-group" ng-class="{ 'has-error': !appInstallForm.certificate.$dirty && appInstall.error.cert }" ng-show="config.isCustomDomain">
-                            <label class="control-label" for="appInstallCertificateInput">Certificate</label>
+                            <label class="control-label" for="appInstallCertificateInput">Certificate (optional)</label>
                             <div class="input-group">
                                 <input type="file" id="appInstallCertificateFileInput" style="display:none"/>
                                 <input type="text" class="form-control" ng-model="appInstall.certificateFileName" id="appInstallCertificateInput" name="certificate" onclick="getElementById('appInstallCertificateFileInput').click();" style="cursor: pointer;" ng-required="appInstall.keyFileName">
@@ -57,7 +57,7 @@
                             </div>
                         </div>
                         <div class="form-group" ng-class="{ 'has-error': !appInstallForm.key.$dirty && appInstall.error.cert }" ng-show="config.isCustomDomain">
-                            <label class="control-label" for="appInstallKeyInput">Private Key</label>
+                            <label class="control-label" for="appInstallKeyInput">Private Key (optional)</label>
                             <div class="input-group">
                                 <input type="file" id="appInstallKeyFileInput" style="display:none"/>
                                 <input type="text" class="form-control" ng-model="appInstall.keyFileName" id="appInstallKeyInput" name="key" onclick="getElementById('appInstallKeyFileInput').click();" style="cursor: pointer;" ng-required="appInstall.certificateFileName">