Fixing the link in conclusion lesson and making it more understandable

Author: gulcingulletutan

_episodes/05-conclusions.md

@@ -84,7 +84,8 @@ Note that you will need a GitHub account for this.
 
 Additionally, there is an ESMValTool email list.
 Please see
- [information](https://docs.esmvaltool.org/en/latest/introduction.html#user-mailing-list) on how to subscribe to the user mailing list.
+ [information](https://docs.esmvaltool.org/en/latest/introduction.html#user-mailing-list)
+ on how to subscribe to the user mailing list.
 
 ### What if I find a bug?