Add slightly more explanation

osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapConverter.cs

@@ -45,6 +45,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                     ComboOffset = comboData?.ComboOffset ?? 0,
                     LegacyLastTickOffset = legacyOffset?.LegacyLastTickOffset,
                     // prior to v8, speed multipliers don't adjust for how many ticks are generated over the same distance.
+                    // this results in more (or less) ticks being generated in <v8 maps for the same time duration.
                     TickDistanceMultiplier = beatmap.BeatmapInfo.BeatmapVersion < 8 ? 1f / beatmap.ControlPointInfo.DifficultyPointAt(original.StartTime).SpeedMultiplier : 1
                 };
             }