Merge pull request #9 from SRC-technology/fix-open-end

Update 02.00-end.md

Author: leostera

responses/02.00-end.md

@@ -30,7 +30,7 @@ And here's a few useful links for additional reading:
 
 If you enjoyed this lab and would like to know when new ones are published, feel free to subscribe to the [SRC Mailing List](http://eepurl.com/gpkI1j) — as a non-profit, we promise not to share your contact details with anyone, and to only email you with important stuff.
 
-Have a great day 🤩
+Have a great day 🤩 and don't forget to close this issue!
 
 / Fernando, Leandro & Iris
 from [Stockholm Research Center](https://src.technology)