diff --git a/src/lib/dom.iterable.d.ts b/src/lib/dom.iterable.d.ts
index 35afb0ddd5c..543f49e3751 100644
--- a/src/lib/dom.iterable.d.ts
+++ b/src/lib/dom.iterable.d.ts
@@ -5,17 +5,40 @@ interface DOMTokenList {
 }
 
 interface NodeList {
-    keys(): IterableIterator<number>;
-    values(): IterableIterator<[number, Node]>;
+
+    /** 
+      * Returns an list of values in the list
+      */
     entries(): IterableIterator<Node>;
+        
     forEach(callbackfn: (value: Node, index: number, listObj: NodeList) => void, thisArg?: any): void;
+    /** 
+      * Returns an list of keys in the list
+      */
+    keys(): IterableIterator<number>;
+    /** 
+      * Returns an array of key, value pairs for every entry in the list
+      */
+    values(): IterableIterator<[number, Node]>;
+   
+
     [Symbol.iterator](): IterableIterator<Node>
 }
 
 interface NodeListOf<TNode extends Node> {
+    /** 
+      * Returns an list of values in the list
+      */
+    entries(): IterableIterator<Node>;
+        
+    forEach(callbackfn: (value: Node, index: number, listObj: NodeList) => void, thisArg?: any): void;
+    /** 
+      * Returns an list of keys in the list
+      */
     keys(): IterableIterator<number>;
-    values(): IterableIterator<[number, TNode]>;
-    entries(): IterableIterator<TNode>;
-    forEach(callbackfn: (value: TNode, index: number, listObj: NodeListOf<TNode>) => void, thisArg?: any): void;    
+    /** 
+      * Returns an array of key, value pairs for every entry in the list
+      */
+    values(): IterableIterator<[number, Node]>;    
     [Symbol.iterator](): IterableIterator<TNode>
 }