Update table markdown

Author: sarahsanders-docker

content/manuals/security/for-admins/provisioning/_index.md

@@ -43,7 +43,7 @@ When a user signs in through SSO, Docker obtains several attributes from your Id
 If your organization uses SAML for SSO, Docker retrieves these attributes from the SAML assertion message. Keep in mind that different IdPs may use different names for these attributes. The following reference table outlines possible SAML attributes used by Docker:
 
 | SSO Attribute	| SAML Assertion Message Attributes |
-| --- | --- |
+| :--- | :--- |
 | Email address |	`"http://schemas.xmlsoap.org/ws/2005/05/identity/claims/nameidentifier"`, `"http://schemas.xmlsoap.org/ws/2005/05/identity/claims/upn"`, `"http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress"`, `email` |
 | Full name	| `"http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name"`, `name`, `"http://schemas.xmlsoap.org/ws/2005/05/identity/claims/givenname"`, `"http://schemas.xmlsoap.org/ws/2005/05/identity/claims/surname"` |
 | Groups (optional) |	`"http://schemas.xmlsoap.org/claims/Group"`, `"http://schemas.microsoft.com/ws/2008/06/identity/claims/groups"`, `Groups`, `groups` |