diff --git a/docs/docs/api/selection.md b/docs/docs/api/selection.md
index 6f133137de..ec0fabf3cf 100644
--- a/docs/docs/api/selection.md
+++ b/docs/docs/api/selection.md
@@ -51,9 +51,9 @@ Sets user selection to given range, which will also focus the editor. Providing
 **Methods**
 
 ```javascript
-setSelection(index: Number, length: Number, source: String = 'api')
+setSelection(index: Number, length: Number = 0, source: String = 'api')
 setSelection(range: { index: Number, length: Number },
-             souce: String = 'api')
+             source: String = 'api')
 ```
 
 **Examples**