Updating bulk operations info message

components/mobile-plugins/mobile-base-plugin/org.wso2.carbon.device.mgt.mobile.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/mdm.page.devices/devices.hbs

@@ -107,10 +107,13 @@
                             <div id="operation-bar">
                                 {{unit "mdm.unit.device.operation-bar"}}
                             </div>
-                            <div id="operation-guide" class="bs-callout bs-callout-info">
-                                <h4>Enabling Device Operations</h4>
+                            <div id="operation-guide" class="message message-info">
+                                <h4 class="remove-margin">
+                                    <i class="icon fw fw-info"></i>
+                                    Enabling Bulk Operations on Devices
+                                </h4>
                                 <h5 class="add-padding-top-1x">
-                                    To enable device operations, select the desired platform and
+                                    To enable bulk operations, select the desired platform and
                                     ownership from above filter.
                                 </h5>
                             </div>