Update UserGuide.md

UserGuide.md

@@ -14,4 +14,21 @@ As a student, I want to mark threads as a question or discussion so that it is e
 5. Click on "Mark as Discussion"
 
 ## User Story 3
-As an instructor (administrator), I want topics to be able to be marked as important, so I can important threads for students to read.
+-As an instructor (administrator), I want topics to be able to be marked as important, so I can important threads for students to read.
+Feature guide for User Story 3, marking topics as important
+
+-Once NodeBB is launched, navigate to the Comments and Feedback section. Go to 
+click topic tools first. Here you can see a "Mark Important" indicated with a
+star option. This is the first UI change.
+
+-Then click on the posts and click mark important. This feature is buggy and may
+take a couple tries to show up. You can then click again to unmark it.
+
+-The topic test originally include creating a topic. So with this created topic
+I wrote two tests in the topics.js folder that tests marking and unmarking
+a post as important. I believe these tests are sufficient for checking functionality.
+I reccomend writing further tests for the controller to test whether there are any
+faulty scenarios that trigger a post to be marked as important.
+
+-Automated tests can be found in 
+/home/nodebb-s25-deepdish-developers/test/topics.js