Update task.md

brentguf · web-flow · commit 93f9ea284df2 · 2018-02-05T17:04:01.000+01:00
diff --git a/2-ui/1-document/05-basic-dom-node-properties/4-where-document-in-hierarchy/task.md b/2-ui/1-document/05-basic-dom-node-properties/4-where-document-in-hierarchy/task.md
@@ -4,7 +4,7 @@ importance: 4
 
 # Where's the "document" in the hierarchy?
 
-Which class the `document` belongs to?
+Which class does the `document` belong to?
 
 What's its place in the DOM hierarchy?
 
