update SSO user note and certificateIdp typo

Author: rani2655

modules/ROOT/pages/configure-saml.adoc

@@ -262,7 +262,7 @@ You can map your SAML groups,or groups and Orgs from your IdP to your ThoughtSpo
 Refer to link:https://docs.thoughtspot.com/cloud/latest/saml-group-mapping[Configure SAML group mapping, window=_blank].
 
 [#update-idp-cert-iamv2]
-=== #Update your IdP certificate#
+=== Update your IdP certificate
 If your IdP certificate expires or is rotated, you can update it in the ThoughtSpot UI.
 ThoughtSpot IAMv2 supports self-serve certificate management — changes take effect immediately after you save.