removed full stop to correct grammar.

Author: rswamina

_episodes/05-conclusions.md

@@ -69,7 +69,7 @@ to be suitable for use by ESMValTool.
 
 There are lots of resources available for helping you use ESMValTool.
 
-The ESMValTool [Discussions page](https://github.com/ESMValGroup/ESMValTool/discussions).
+The ESMValTool [Discussions page](https://github.com/ESMValGroup/ESMValTool/discussions)
 is a good place to learn about general issues, or to see if your question has been already addressed.
 If you have a GitHub account, you can also post your questions on the page.