diff --git a/osu.Android/OsuGameAndroid.cs b/osu.Android/OsuGameAndroid.cs
index 5f936ffce4..136b85699a 100644
--- a/osu.Android/OsuGameAndroid.cs
+++ b/osu.Android/OsuGameAndroid.cs
@@ -33,6 +33,7 @@ public override Version AssemblyVersion
                     if (Build.VERSION.SdkInt >= BuildVersionCodes.P)
                     {
                         versionName = packageInfo.LongVersionCode.ToString();
+                        // ensure we only read the trailing portion of long (the part we are interested in).
                         versionName = versionName.Substring(versionName.Length - 9);
                     }
                     else