chore: fix broken link + typo

Author: anna-follestad-4ss

docs/user_guide/index.rst

@@ -1,13 +1,13 @@
 User Guide
 ==========
 
-:py:mod:`fourinsight.api` provides convinient access to protected resources in
+:py:mod:`fourinsight.api` provides convenient access to protected resources in
 `4Insight.io`_ through authenticated calls to `4insight REST API`_ endpoints. 
 
 
 
 .. _4Insight.io: https://4insight.io
-.. _4Insight REST API: https://4insight.io/#/developer
+.. _4Insight REST API: https://4insight-api-prod.4subsea.net/swagger/index.html
 
 
 .. toctree::