move last to textarea description

Author: thinkyhead

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -50,6 +50,8 @@ body:
         Describe the bug in this section. Tell us what you were trying to do and what
         happened that you did not expect. Provide a clear and concise description of the
         problem and include as many details as possible.
+
+        When pasting formatted text into the box below don't forget to put ` ``` ` (on its own line) before and after to make it readable.
       placeholder: |
         Marlin doesn't work.
     validations:
@@ -156,8 +158,11 @@ body:
         - label: Log output from the host. (`M111 S247` for maximum logging.)
         - label: Images or videos demonstrating the problem, if it helps to make it clear.
         - label: A G-Code file that exposes the problem, if not affecting _all_ G-code.
-        - label: If you've made any other modifications to the firmware, please describe them in detail in the space provided below.
 
   - type: textarea
     attributes:
       label: Additional information & file uploads
+      description: >-
+        If you've made any other modifications to the firmware, please describe them in detail.
+
+        When pasting formatted text into the box below don't forget to put ` ``` ` (on its own line) before and after to make it readable.