diff --git a/zepto/zepto.d.ts b/zepto/zepto.d.ts
index eb217e5b98..10c1ff6d51 100644
--- a/zepto/zepto.d.ts
+++ b/zepto/zepto.d.ts
@@ -444,6 +444,11 @@ interface ZeptoCollection {
 	**/
 	after(content: HTMLElement): ZeptoCollection;
 
+	/**
+	* @see ZeptoCollection.after
+	**/
+	after(content: HTMLElement[]): ZeptoCollection;
+	
 	/**
 	* @see ZeptoCollection.after
 	**/
@@ -465,6 +470,11 @@ interface ZeptoCollection {
 	* @see ZeptoCollection.append
 	**/
 	append(content: HTMLElement[]): ZeptoCollection;
+	
+	/**
+	* @see ZeptoCollection.append
+	**/
+	append(content: ZeptoCollection): ZeptoCollection;
 
 	/**
 	* Append elements from the current collection to the target element. This is like append, but with reversed operands.
@@ -526,6 +536,11 @@ interface ZeptoCollection {
 	* @see ZeptoCollection.before
 	**/
 	before(content: HTMLElement[]): ZeptoCollection;
+	
+	/**
+	* @see ZeptoCollection.before
+	**/
+	before(content: ZeptoCollection): ZeptoCollection;
 
 	/**
 	* Get immediate children of each element in the current collection. If selector is given, filter the results to only include ones matching the CSS selector.