diff --git a/src/styles/core/extend.css b/src/styles/core/extend.css
index 393d35b..f4e9e0c 100644
--- a/src/styles/core/extend.css
+++ b/src/styles/core/extend.css
@@ -38,11 +38,11 @@
 }
 
 .input-group.input-group-multiple > .input-group-addon:first-child,
-.input-group.input-group-multiple > .input-grougp-addon-container:first-child {
+.input-group.input-group-multiple > .input-group-addon-container:first-child {
     border-left: 1px solid #d2d6de;
 }
 
-.input-group .input-grougp-addon-container {
+.input-group .input-group-addon-container {
     width: 1%;
     display: table-cell;
 }
diff --git a/src/views/settings-ariang.html b/src/views/settings-ariang.html
index 2445c78..d448178 100644
--- a/src/views/settings-ariang.html
+++ b/src/views/settings-ariang.html
@@ -157,11 +157,11 @@
                                 <span class="input-group-addon" ng-bind="setting.protocol + '://'"></span>
                                 <input class="form-control" type="text" ng-model="setting.rpcHost" ng-change="updateRpcSetting(setting, 'rpcHost')"/>
                                 <span class="input-group-addon">:</span>
-                                <div class="input-grougp-addon-container">
+                                <div class="input-group-addon-container">
                                     <input class="form-control form-control-rpcport" type="text" ng-model="setting.rpcPort" ng-change="updateRpcSetting(setting, 'rpcPort')"/>
                                 </div>
                                 <span class="input-group-addon">/</span>
-                                <div class="input-grougp-addon-container">
+                                <div class="input-group-addon-container">
                                     <input class="form-control form-control-rpcinterface" type="text" ng-model="setting.rpcInterface" ng-change="updateRpcSetting(setting, 'rpcInterface')"/>
                                 </div>
                             </div>