diff --git a/README.md b/README.md
index 886c12d0..f1286d10 100644
--- a/README.md
+++ b/README.md
@@ -221,17 +221,17 @@ necessary.
const yarray = new Y.Array()
- insert(index:number, content:Array<object|boolean|Array|string|number|Uint8Array|Y.Type>)
+ insert(index:number, content:Array<object|boolean|Array|string|number|Uint8Array|Y.Type>):Y.Array
-
Insert content at index. Note that content is an array of elements.
I.e.
array.insert(0, [1]) splices the list and inserts 1 at
position 0.
- push(Array<Object|boolean|Array|string|number|Uint8Array|Y.Type>)
+ push(Array<Object|boolean|Array|string|number|Uint8Array|Y.Type>):Y.Array
- unshift(Array<Object|boolean|Array|string|number|Uint8Array|Y.Type>)
+ unshift(Array<Object|boolean|Array|string|number|Uint8Array|Y.Type>):Y.Array
- delete(index:number, length:number)
+ delete(index:number, length:number):Y.Array
get(index:number)