diff --git a/webgui/topics/Aircraft/MassBalance.html b/webgui/topics/Aircraft/MassBalance.html
index ddd7f1b02..9dd753fe3 100644
--- a/webgui/topics/Aircraft/MassBalance.html
+++ b/webgui/topics/Aircraft/MassBalance.html
@@ -1,8 +1,7 @@
 <style>
 .phi-mb-table {
 	margin-bottom: 1ex;
-        width: 100%;
-    
+	width: 100%;
 }
 
 .phi-mb-table-slider div {
@@ -18,9 +17,6 @@
 	width: 8em;
 }
 
-.phi-mb-table-slider {
-}
-
 .phi-mb-table-value {
 	width: 4em;
 	max-width: 4em;
@@ -28,12 +24,13 @@
 }
 
 #phi-mb-tablecolumn {
-width: 66%;
-float: left;
+	width: 66%;
+	float: left;
 }
+
 #phi-mb-graphcolumn {
-width: 33%;
-float: right;
+	width: 33%;
+	float: right;
 }
 </style>
 <div id="phi-mb-tablecolumn">
@@ -52,7 +49,8 @@ float: right;
         <tbody data-bind="foreach: tanks">
             <tr data-bind="ifnot: hidden">
                 <td class="phi-mb-table-name" data-bind="text: name"></td>
-                <td class="phi-mb-table-slider"><div data-bind="slider: { value: content, realtime: true, max: capacity, change: setTankLevel }"></div></td>
+                <td class="phi-mb-table-slider"><div
+                        data-bind="slider: { value: content, realtime: true, max: capacity, change: setTankLevel }"></div></td>
                 <td class="phi-mb-table-value" data-bind="text: content().toFixed(0)"></td>
                 <td class="phi-mb-table-value" data-bind="text: moment().toFixed(0)"></td>
 
@@ -85,9 +83,11 @@ float: right;
         <div class="ui-widget-header ui-corner-all">Envelope</div>
         <div class="ui-widget-content ui-corner-all">
             <div style="height: 200px" data-bind="flotchart: { data: envelopeData, options: envelopeOptions, hover: hover }"></div>
-            <div><span data-bind="text: hoverLabel"></span>
-            <span data-bind="text: hoverMass().toFixed(0), visible: hoverLabel"></span>
-            <span data-bind="text: hoverCG().toFixed(0), visible: hoverLabel" ></span>
+            <div data-bind="visible: hoverLabel">
+                <div>
+                    <span data-bind="text: hoverLabel"></span> <span data-bind="text: hoverMass().toFixed(0)"></span><span>lbs</span>
+                    <span data-bind="text: hoverCG().toFixed(0)"></span><span>@in</span>
+                </div>
             </div>
         </div>
     </div>