Fix incorrect multiple instances commands in Quick Reference example

- Changed from non-existent --partition flag to correct --class and --user-data-dir flags
- Added profile comments for clarity
- Commands now match the actual multiple-instances.md documentation

Author: claude

docs-site/docs/development/research/documentation-improvement-recommendations.md

@@ -170,8 +170,11 @@ graph TD
 
 ### Configure Multiple Instances
 ```bash
-teams-for-linux --partition work
-teams-for-linux --partition personal
+# Work profile
+teams-for-linux --class=teams-work --user-data-dir=~/.config/teams-profile-work
+
+# Personal profile
+teams-for-linux --class=teams-personal --user-data-dir=~/.config/teams-profile-personal
 ```
 [Full guide →](multiple-instances.md)