diff --git a/osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs b/osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs
index fa1eb10f5e..12f379bddb 100644
--- a/osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs
+++ b/osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs
@@ -15,7 +15,7 @@ namespace osu.Game.Rulesets.Mania.Mods
         public override string Name => "Mirror";
         public override string Acronym => "MR";
         public override ModType Type => ModType.Conversion;
-        public override string Description => "Notes are flipped horizontally";
+        public override string Description => "Notes are flipped horizontally.";
         public override double ScoreMultiplier => 1;
         public override bool Ranked => true;