Capitalize System logs correctly

The other panels capitalize the first word only.
E.g. Hardware status, Server power operations, and
Manage power usage. Follow this standard.

Change-Id: Icbbc2df25e1a3c9dd5e44db4c1d3f6a9f8252144
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/app/common/directives/app-navigation.html b/app/common/directives/app-navigation.html
index 6bd2c79..a22dc0b 100644
--- a/app/common/directives/app-navigation.html
+++ b/app/common/directives/app-navigation.html
@@ -30,7 +30,7 @@
         </li>
         <li ng-class="{'active': (path == '/server-health/sys-log')}" ng-show="dataService.configJson.redfishSupportEnabled">
           <a href="#/server-health/sys-log" ng-click="closeSubnav()"
-            tabindex="{{(showSubMenu && firstLevel == 'server-health') ? 0 : -1}}">System Logs</a>
+            tabindex="{{(showSubMenu && firstLevel == 'server-health') ? 0 : -1}}">System logs</a>
         </li>
       </ul>
     </li>