Merge pull request #969 from w3c/shawna-slh-patch-1

Update index.md

pages/about/index.md

@@ -139,7 +139,7 @@ WAI includes the following Working Groups and Interest Group:
 -   [Accessibility Guidelines Working Group (AG WG)](/about/groups/agwg/) (formerly the Web Content Accessibility Guidelines Working Group)
 -   [Accessible Platform Architectures (APA) Working Group](/about/groups/apawg/)
 -   [Accessible Rich Internet Applications (ARIA) Working Group](/about/groups/ariawg/)
--   [WAI Interest Group (WAI IG)](/about/groups/waiig/) is an e-mail discussion list that is open to anyone
+-   [WAI Interest Group (WAI IG)](/about/groups/waiig/) hosts an e-mail discussion list that is open to anyone
 
 Within the Working Groups, there are also [Task Forces](/about/groups/task-forces/).