UI fixes

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/cdmf.page.devices/devices.hbs

@@ -313,7 +313,7 @@
                     <div class="modal-content">
                         <div class="row">
                             <div class="col-md-3 col-centered">
-                                <h3>Device associations updated.</h3>
+                                <h3>Successfully added the device/s to the group!</h3>
                             </div>
                         </div>
                     </div>
@@ -374,7 +374,7 @@
                 <div id="edit-device-modal-content" class="hide">
                     <div class="modal-header">
                         <h3 class="pull-left modal-title">
-                            Please enter new name for the device?
+                            Please enter a new name for the device.
                         </h3>
                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><i
                                 class="fw fw-cancel"></i>