Title formatting updates.

BethanyG · BethanyG · commit db00a8f520dd · 2022-03-01T01:03:14.000-08:00
diff --git a/reference/track_exercises_overview.md b/reference/track_exercises_overview.md
@@ -10,7 +10,7 @@
 ## Implemented Practice Exercises
 
 <details>
-<Summary><em>Practice Exercises with Difficulty, Solutions, and Mentor Notes</em></Summary>
+<Summary><b><em>Practice Exercises with Difficulty, Solutions, and Mentor Notes</em></b></Summary>
 <br>
 
 
