diff --git a/js/app/views/PlotComponents/PlotPanelForm.js b/js/app/views/PlotComponents/PlotPanelForm.js
index 206e30f..979fb3d 100644
--- a/js/app/views/PlotComponents/PlotPanelForm.js
+++ b/js/app/views/PlotComponents/PlotPanelForm.js
@@ -129,10 +129,10 @@ Ext.define('amdaPlotComp.PlotPanelForm', {
 		        		me.updateOptions(value);
 		        	}
 		        }),
-		        this.addStandardCheck('panel-scatter-isotropic', 'Isotropic', function(name, value, oldValue) {
+		        this.addStandardCheck('panel-scatter-isotropic', 'Orthonormal scale', function(name, value, oldValue) {
 		        	me.object.set('panel-scatter-isotropic', value);
 	        		me.crtTree.refresh();
-		        }), 
+		        }, 'When this is option is selected, a unit on the X-axis appears with the same size as a unit on the Y-axis'), 
 		        this.addStandardText('panel-epoch-centertimeid', 'Epoch Center Time Id', function(name, value, oldValue) {
 		        	me.object.set('panel-epoch-centertimeid', value);
 	        		me.crtTree.refresh();
diff --git a/js/app/views/PlotComponents/PlotStandardForm.js b/js/app/views/PlotComponents/PlotStandardForm.js
index 02746dc..42ae3d0 100644
--- a/js/app/views/PlotComponents/PlotStandardForm.js
+++ b/js/app/views/PlotComponents/PlotStandardForm.js
@@ -167,21 +167,30 @@ Ext.define('amdaPlotComp.PlotStandardForm', {
         };
 	},
 	
-	addStandardCheck: function(name, label, onChange) {
+	addStandardCheck: function(name, label, onChange, tooltip) {
+
 		return {
-        	xtype: 'checkbox',
-        	name: name,
-        	boxLabel: label,
-            listeners: {
-            	change: function(combo, newValue, oldValue, eOpts) {
-                    
-            		this.object.set(name, newValue);
-            		if (onChange != null)
-            			onChange(name, newValue, oldValue);
-            	},
-            	scope: this
-            }
-        };
+			xtype: 'checkbox',
+			name: name,
+			boxLabel: label,
+			listeners: {
+				change: function(combo, newValue, oldValue, eOpts) {
+					this.object.set(name, newValue);
+					if (onChange != null)
+						onChange(name, newValue, oldValue);
+				},
+				render: function(c) {
+					if (tooltip) {
+						Ext.create('Ext.tip.ToolTip', {
+							target: c.getEl(),
+							dismissDelay: 0,
+							html: tooltip 
+						});
+					}
+				},
+				scope: this
+			}
+		};
 	},
 	
 	addStandardFieldSet: function(title, checkboxName, items, onChangeCheck) {
--
libgit2 0.21.2