diff --git a/osu.Game/Rulesets/Mods/ModDaycore.cs b/osu.Game/Rulesets/Mods/ModDaycore.cs
index 0b32788bf3..39ebd1fe4c 100644
--- a/osu.Game/Rulesets/Mods/ModDaycore.cs
+++ b/osu.Game/Rulesets/Mods/ModDaycore.cs
@@ -33,6 +33,8 @@ namespace osu.Game.Rulesets.Mods
         {
             rateAdjustHelper = new RateAdjustModHelper(SpeedChange);
 
+            // intentionally not deferring the speed change handling to `RateAdjustModHelper`
+            // as the expected result of operation is not the same (daycore should preserve constant pitch).
             SpeedChange.BindValueChanged(val =>
             {
                 freqAdjust.Value = SpeedChange.Default;
diff --git a/osu.Game/Rulesets/Mods/ModNightcore.cs b/osu.Game/Rulesets/Mods/ModNightcore.cs
index 933c9c9fc5..b519ab4db7 100644
--- a/osu.Game/Rulesets/Mods/ModNightcore.cs
+++ b/osu.Game/Rulesets/Mods/ModNightcore.cs
@@ -45,6 +45,8 @@ namespace osu.Game.Rulesets.Mods
         {
             rateAdjustHelper = new RateAdjustModHelper(SpeedChange);
 
+            // intentionally not deferring the speed change handling to `RateAdjustModHelper`
+            // as the expected result of operation is not the same (nightcore should preserve constant pitch).
             SpeedChange.BindValueChanged(val =>
             {
                 freqAdjust.Value = SpeedChange.Default;