diff --git a/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs b/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs
index 83b5b3bb5c..19d1bab0ac 100644
--- a/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs
+++ b/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs
@@ -98,7 +98,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty
                 return true;
             }
         }
-        
+
         /// <summary>
         /// In milliseconds. For difficulty calculation we will only look at the highest strain value in each time interval of size STRAIN_STEP.
         /// This is to eliminate higher influence of stream over aim by simply having more HitObjects with high strain.
diff --git a/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyHitObject.cs b/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyHitObject.cs
index f4eefdd7cd..778ab9df28 100644
--- a/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyHitObject.cs
+++ b/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyHitObject.cs
@@ -1,4 +1,7 @@
-using System;
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.UI;
 using OpenTK;
@@ -76,7 +79,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty
                 {
                     double bonus = DIRECTION_CHANGE_BONUS / sqrtTime;
 
-                    // Weight bonus by how 
+                    // Weight bonus by how
                     double bonusFactor = Math.Min(playerPositioningError, Math.Abs(LastMovement)) / playerPositioningError;
 
                     // We want time to play a role twice here!