Update bug_report.yml

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -27,13 +27,15 @@ body:
     attributes:
       label: Reproduction steps
       description: | 
-        If possible, describe how the developers can get the bug to happen. It is often extremely hard to fix a bug if we don't know how to reproduce it.
+        If possible, describe how the developers can get the bug to happen (or, in other words, what actions lead to you encountering the bug). **This is by far the most important part of the report** - it is often extremely difficult, or even impossible, to diagnose an issue if we don't know the conditions it occurs in.
         If you have a save, a submarine file, screenshots or any other files that might help us diagnose the issue, you can attach them here. Note that GitHub doesn't support the .save or .sub file extensions, so you should .zip those types of files to allow them to be attached.
       placeholder: |
         1. Start a multiplayer campaign
         2. Spawn a bike horn with console commands
         3. Use the bike horn
         4. Observe how the game crashes
+    validations:
+      required: true
   - type: dropdown
     id: prevalence
     attributes: