diff --git a/source/index.html.md b/source/index.html.md
index 5848b5dc222..ea2741333e9 100644
--- a/source/index.html.md
+++ b/source/index.html.md
@@ -694,6 +694,7 @@ Parameter | Default | Description
 blog_id | id | Limit blog posts to specific blog id (e.g. `blog_id` from actor profile)
 page | 1 | Page to display - see "Pagination" section
 per_page | 250 | Items per page - see "Pagination" section
+tags[id] | null | Filter items by tags - allows passing multiple tag ids using array form of the param eg. `tags[id][]=1&tags[id][]=5`
 
 ### Response fields