changelog: cosmetic fixes

CHANGELOG.md

@@ -5,7 +5,7 @@
 ### Added
 
 - IAM documentation has been migrate from Gitbook to its [own dedicated
-  site][iam-docs] on Github pages 
+  site][iam-docs] on Github pages
 
 - IAM now provides a token management section in the dashboard that can be used
   by administrators to view active tokens in the system, filter tokens (by user
@@ -20,18 +20,20 @@
 ### Fixed
 
 - IAM now provides user-friendlier X.509 authentication support. When a client
-  certificate is found linked to the TLS session, the IAM now displays
-  certificate information and displays a button that can be used to sign in
+  certificate is found linked to the TLS session, IAM  displays
+  certificate information and a button that can be used to sign in
   with the certificate (#193)
 - Admin-targeted email notifications that result from membership requests now
-  include the contents of the Notes field (#190)
+  include the contents of the _Notes_ field (#190)
 - Tokens linked to an account are now removed when the account is removed
   (#204)
 
 ### Changed
 
 - IAM now depends on MitreID connect v. 1.3.2.cnaf.rc0 (#180)
 
+[iam-docs]: https://indigo-iam.github.io/docs
+
 ## 1.1.0 (2017-9-29)
 
 ### Added
@@ -179,4 +181,3 @@ GitBook manual][gitbook-manual] or on [Github][github-doc].
 [gitbook-manual]: https://www.gitbook.com/book/andreaceccanti/iam/details
 [github-doc]: https://github.com/indigo-iam/iam/blob/master/SUMMARY.md
 [jira-v0.4.0]: https://issues.infn.it/jira/browse/INDIAM/fixforversion/13811 
-[iam-docs]: https://indigo-iam.github.io/docs