diff --git a/osu.Game/Online/Chat/ErrorMessage.cs b/osu.Game/Online/Chat/ErrorMessage.cs
index a8ff0e9a98..87a65fb3f1 100644
--- a/osu.Game/Online/Chat/ErrorMessage.cs
+++ b/osu.Game/Online/Chat/ErrorMessage.cs
@@ -8,7 +8,7 @@ namespace osu.Game.Online.Chat
         public ErrorMessage(string message)
             : base(message)
         {
-            Sender.Colour = @"ff0000";
+            // todo: this should likely be styled differently in the future.
         }
     }
 }
diff --git a/osu.Game/Rulesets/Scoring/ScoreProcessor.cs b/osu.Game/Rulesets/Scoring/ScoreProcessor.cs
index 2e863f7edb..ba2375bec1 100644
--- a/osu.Game/Rulesets/Scoring/ScoreProcessor.cs
+++ b/osu.Game/Rulesets/Scoring/ScoreProcessor.cs
@@ -313,6 +313,9 @@ namespace osu.Game.Rulesets.Scoring
         /// <summary>
         /// Applies the score change of a <see cref="JudgementResult"/> to this <see cref="ScoreProcessor"/>.
         /// </summary>
+        /// <remarks>
+        /// Any changes applied via this method can be reverted via <see cref="RevertResult"/>.
+        /// </remarks>
         /// <param name="result">The <see cref="JudgementResult"/> to apply.</param>
         protected virtual void ApplyResult(JudgementResult result)
         {
@@ -357,7 +360,7 @@ namespace osu.Game.Rulesets.Scoring
         }
 
         /// <summary>
-        /// Reverts the score change of a <see cref="JudgementResult"/> that was applied to this <see cref="ScoreProcessor"/>.
+        /// Reverts the score change of a <see cref="JudgementResult"/> that was applied to this <see cref="ScoreProcessor"/> via <see cref="ApplyResult"/>.
         /// </summary>
         /// <param name="result">The judgement scoring result.</param>
         protected virtual void RevertResult(JudgementResult result)
diff --git a/osu.Game/Users/User.cs b/osu.Game/Users/User.cs
index b738eff4a6..a5f3578711 100644
--- a/osu.Game/Users/User.cs
+++ b/osu.Game/Users/User.cs
@@ -187,6 +187,7 @@ namespace osu.Game.Users
         public static readonly User SYSTEM_USER = new User
         {
             Username = "system",
+            Colour = @"9c0101",
             Id = 0
         };