diff --git a/level2/target_number.java b/level2/TargetNumber.java
similarity index 100%
rename from level2/target_number.java
rename to level2/TargetNumber.java
diff --git a/level3/best_album.java b/level3/BestAlbum.java
similarity index 100%
rename from level3/best_album.java
rename to level3/BestAlbum.java