Update index.md

replaced Slack links/handles with link to Platform

src/_about/accessibility/index.md

@@ -84,12 +84,9 @@ It is the intention of this team to improve our testing standards to more accura
 
 The Sitewide Content, Accessibility, and Information Architecture (CAIA) team can help you meet VA.gov’s accessibility standards. Whether you’re starting a new product or refining an existing one, contact the CAIA team as early as possible to create accurate, consistent, accessible, and equitable digital services for Veterans.
 
-Submit a [Sitewide Content, Accessibility, and IA intake form ticket](https://github.com/department-of-veterans-affairs/va.gov-team/issues/new?assignees=RLHecht%2C+coforma-terry%2C+kristinoletmuskat%2C+laurwill%2C+sara-amanda&labels=sitewide+CAIA%2C+sitewide+content-product+support%2C+Sitewide+IA%2C+sitewide+content%2C+sitewide+accessibility&projects=&template=sitewide-content-intake-form.md&title=%3CType+of+Request%3E+from+%3CTeam%3E) in GitHub to get started, or reach out to CAIA on Slack:
-- #sitewide-content-accessibility-ia channel
-- @sitewide-caia (all CAIA team members)
-- @sidewide-ia (CAIA's information architects)
-- @sitewide-caia-content (CAIA's content specialists)
-- @sitewide-caia-accessibility (CAIA's accessibility specialists)
+- Submit a [Sitewide Content, Accessibility, and IA intake form ticket](https://github.com/department-of-veterans-affairs/va.gov-team/issues/new?assignees=RLHecht%2C+coforma-terry%2C+kristinoletmuskat%2C+laurwill%2C+sara-amanda&labels=sitewide+CAIA%2C+sitewide+content-product+support%2C+Sitewide+IA%2C+sitewide+content%2C+sitewide+accessibility&projects=&template=sitewide-content-intake-form.md&title=%3CType+of+Request%3E+from+%3CTeam%3E) in GitHub
+- [Contact CAIA on Slack
+](https://depo-platform-documentation.scrollhelp.site/collaboration-cycle/sitewide-content-and-ia-intake-request#Content,Accessibility,andInformationArchitecturesupport-SitewideCAIA-Contactus)
 
 ### Learn how to make accessible products on the modernized VA.gov platform