Apply suggestions from code review

Co-authored-by: Sean Wheeler <[email protected]>

Author: michaeltlombardi

reference/docs-conceptual/community/contributing/using-github-codespaces.md

@@ -230,8 +230,8 @@ the context menu.
 
 To open the Problems View with your keyboard, press the key combination for your operating system:
 
-- Windows and Linux: <kbd>Ctrl</kbd> + <kbd>Shift</kbd> + </kbd>M</kbd>
-- macOS: <kbd>Cmd</kbd> + <kbd>Shift</kbd> + </kbd>M</kbd>
+- Windows and Linux: <kbd>Ctrl</kbd> + <kbd>Shift</kbd> + <kbd>M</kbd>
+- macOS: <kbd>Cmd</kbd> + <kbd>Shift</kbd> + <kbd>M</kbd>
 
 The Problems View displays all errors, warnings, and suggestions for the open document. Select a
 problem to scroll to it in the document.