50 != 100

Changelog.txt

@@ -9,7 +9,7 @@ Key:
 
 Version 1.4.05-dev
  + Added option to allow refreshing of chunks after block-breaking abilities. (Disabled by default)
- + Added fireworks effects when a player levels-up, for every 50 levels (configurable)
+ + Added fireworks effects when a player levels-up, for every 100 levels (configurable)
  = Fixed bug where /addxp was setting instead of adding experience
  = Fixed bug where /addxp was not processessing level-ups for online players
  = Fixed bug which allowed players to share experience with nearby dead players

src/main/resources/config.yml

@@ -375,6 +375,6 @@ Particles:
     Greater_Impact: true
 
     # These settings determine if fireworks should get launched when a player levels-up,
-    # this will happen by default for every 50 levels.
+    # this will happen by default for every 100 levels.
     LevelUp_Enabled: true
     LevelUp_Tier: 100