diff --git a/frameworks/projects/mx/src/mx/controls/Tree.as b/frameworks/projects/mx/src/mx/controls/Tree.as
index 5f9215a..5bf874f 100644
--- a/frameworks/projects/mx/src/mx/controls/Tree.as
+++ b/frameworks/projects/mx/src/mx/controls/Tree.as
@@ -1783,7 +1783,7 @@
             // is the item on screen?
             if (visibleData[uid])
             {
-                //find the rowindex of the row after the open thats opening/closing
+                //find the row index of the first row after the one that's opening/closing
                 var n:int = listItems.length;
                 for (rowIndex = 0; rowIndex < n; rowIndex++)
                 {
diff --git a/frameworks/projects/mx/src/mx/controls/treeClasses/HierarchicalCollectionView.as b/frameworks/projects/mx/src/mx/controls/treeClasses/HierarchicalCollectionView.as
index 5f357b0..59fe7e8 100644
--- a/frameworks/projects/mx/src/mx/controls/treeClasses/HierarchicalCollectionView.as
+++ b/frameworks/projects/mx/src/mx/controls/treeClasses/HierarchicalCollectionView.as
@@ -267,7 +267,7 @@
 			var modelCursor:IViewCursor = treeData.createCursor();
 			if (modelCursor.beforeFirst)
 			{
-				// indicates that an IPE occured on the first item
+				// indicates that an IPE occurred on the first item
 				return treeData.length;
 			}
 			while (!modelCursor.afterLast)
@@ -315,8 +315,7 @@
 			parentMap[uid] = parent;
 			if (node != null &&
 				openNodes[uid] &&
-				dataDescriptor.isBranch(node, treeData) &&
-				dataDescriptor.hasChildren(node, treeData))
+				dataDescriptor.isBranch(node, treeData))
 			{
 				childNodes = getChildren(node);
 				if (childNodes != null)
@@ -432,7 +431,7 @@
     
     /**
 	 * @private
-	 * delegate getchildren in order to add event listeners for nested collections
+	 * delegate getChildren in order to add event listeners for nested collections
 	 */
 	private function getChildren(node:Object):ICollectionView
 	{