diff --git a/osu.Game/Rulesets/Objects/Legacy/Catch/ConvertHitObjectParser.cs b/osu.Game/Rulesets/Objects/Legacy/Catch/ConvertHitObjectParser.cs
index cb44fb1c8c..802080aedb 100644
--- a/osu.Game/Rulesets/Objects/Legacy/Catch/ConvertHitObjectParser.cs
+++ b/osu.Game/Rulesets/Objects/Legacy/Catch/ConvertHitObjectParser.cs
@@ -60,6 +60,8 @@ protected override HitObject CreateSlider(Vector2 position, bool newCombo, int c
 
         protected override HitObject CreateSpinner(Vector2 position, bool newCombo, int comboOffset, double endTime)
         {
+            // Convert spinners don't create the new combo themselves, but force the next non-spinner hitobject to create a new combo
+            // Their combo offset is still added to that next hitobject's combo index
             forceNewCombo |= FormatVersion <= 8 || newCombo;
             extraComboOffset += comboOffset;
 
diff --git a/osu.Game/Rulesets/Objects/Legacy/Osu/ConvertHitObjectParser.cs b/osu.Game/Rulesets/Objects/Legacy/Osu/ConvertHitObjectParser.cs
index 497d85f849..acd0de8688 100644
--- a/osu.Game/Rulesets/Objects/Legacy/Osu/ConvertHitObjectParser.cs
+++ b/osu.Game/Rulesets/Objects/Legacy/Osu/ConvertHitObjectParser.cs
@@ -61,6 +61,8 @@ protected override HitObject CreateSlider(Vector2 position, bool newCombo, int c
 
         protected override HitObject CreateSpinner(Vector2 position, bool newCombo, int comboOffset, double endTime)
         {
+            // Convert spinners don't create the new combo themselves, but force the next non-spinner hitobject to create a new combo
+            // Their combo offset is still added to that next hitobject's combo index
             forceNewCombo |= FormatVersion <= 8 || newCombo;
             extraComboOffset += comboOffset;