diff --git a/BridgeAbstract.md b/BridgeAbstract.md
index 4dbef9d..65d9b47 100644
--- a/BridgeAbstract.md
+++ b/BridgeAbstract.md
@@ -152,6 +152,7 @@ $item['timestamp'] // Timestamp of the item in numeric format (use `strtotime`)
 $item['author'] // Name of the author
 $item['content'] // Content in HTML format
 $item['enclosures'] // Array of URIs to an attachments (pictures, files, etc...)
+$item['categories'] // Array of category names
 ```
 
 ### Item usage
@@ -171,6 +172,7 @@ Parameter | ATOM | HTML | (M)RSS
 `author`|X|X|X
 `content`|X|X|X
 `enclosures`|X|X|X
+`categories`|X|X|X
 
 ## The `getDescription` function