diff --git a/osu.Game/Localisation/GameplaySettingsStrings.cs b/osu.Game/Localisation/GameplaySettingsStrings.cs
index c63fa5ddcc..868eb6b98a 100644
--- a/osu.Game/Localisation/GameplaySettingsStrings.cs
+++ b/osu.Game/Localisation/GameplaySettingsStrings.cs
@@ -42,7 +42,7 @@ namespace osu.Game.Localisation
         /// <summary>
         /// "Show difficulty graph on progress bar"
         /// </summary>
-        public static LocalisableString ShowProgressGraph => new TranslatableString(getKey(@"show_progress_graph"), @"Show difficulty graph on progress bar");
+        public static LocalisableString ShowDifficultyGraph => new TranslatableString(getKey(@"show_progress_graph"), @"Show difficulty graph on progress bar");
 
         /// <summary>
         /// "Show health display even when you can't fail"
diff --git a/osu.Game/Localisation/OnlineSettingsStrings.cs b/osu.Game/Localisation/OnlineSettingsStrings.cs
index 0173cc7cbb..6862f4ac2c 100644
--- a/osu.Game/Localisation/OnlineSettingsStrings.cs
+++ b/osu.Game/Localisation/OnlineSettingsStrings.cs
@@ -32,7 +32,7 @@ namespace osu.Game.Localisation
         /// <summary>
         /// "Integrations"
         /// </summary>
-        public static LocalisableString IntegrationHeader => new TranslatableString(getKey(@"integration_header"), @"Integrations");
+        public static LocalisableString IntegrationsHeader => new TranslatableString(getKey(@"integrations_header"), @"Integrations");
 
         /// <summary>
         /// "Discord Rich Presence"
diff --git a/osu.Game/Localisation/UserInterfaceStrings.cs b/osu.Game/Localisation/UserInterfaceStrings.cs
index fcfaf661dc..4be403edb4 100644
--- a/osu.Game/Localisation/UserInterfaceStrings.cs
+++ b/osu.Game/Localisation/UserInterfaceStrings.cs
@@ -37,7 +37,7 @@ namespace osu.Game.Localisation
         /// <summary>
         /// "Hold-to-confirm activation time"
         /// </summary>
-        public static LocalisableString HoldActivationDelay => new TranslatableString(getKey(@"hold_activation_delay"), @"Hold-to-confirm activation time");
+        public static LocalisableString HoldToConfirmActivationTime => new TranslatableString(getKey(@"hold_to_confirm_activation_time"), @"Hold-to-confirm activation time");
 
         /// <summary>
         /// "Main Menu"
diff --git a/osu.Game/Overlays/Settings/Sections/Gameplay/GeneralSettings.cs b/osu.Game/Overlays/Settings/Sections/Gameplay/GeneralSettings.cs
index 04332fcdd3..3a0265e453 100644
--- a/osu.Game/Overlays/Settings/Sections/Gameplay/GeneralSettings.cs
+++ b/osu.Game/Overlays/Settings/Sections/Gameplay/GeneralSettings.cs
@@ -46,7 +46,7 @@ namespace osu.Game.Overlays.Settings.Sections.Gameplay
                 },
                 new SettingsCheckbox
                 {
-                    LabelText = GameplaySettingsStrings.ShowProgressGraph,
+                    LabelText = GameplaySettingsStrings.ShowDifficultyGraph,
                     Current = config.GetBindable<bool>(OsuSetting.ShowProgressGraph)
                 },
                 new SettingsCheckbox
diff --git a/osu.Game/Overlays/Settings/Sections/Graphics/LayoutSettings.cs b/osu.Game/Overlays/Settings/Sections/Graphics/LayoutSettings.cs
index 50bd8184ee..124b3b804c 100644
--- a/osu.Game/Overlays/Settings/Sections/Graphics/LayoutSettings.cs
+++ b/osu.Game/Overlays/Settings/Sections/Graphics/LayoutSettings.cs
@@ -146,7 +146,7 @@ namespace osu.Game.Overlays.Settings.Sections.Graphics
             {
                 updateResolutionDropdown();
 
-                windowModeDropdown.WarningText = mode.NewValue != WindowMode.Fullscreen ? GraphicsSettingsStrings.NotFullscreenNote : string.Empty;
+                windowModeDropdown.WarningText = mode.NewValue != WindowMode.Fullscreen ? GraphicsSettingsStrings.NotFullscreenNote : default;
             }, true);
 
             windowModes.BindCollectionChanged((sender, args) =>
diff --git a/osu.Game/Overlays/Settings/Sections/Graphics/RendererSettings.cs b/osu.Game/Overlays/Settings/Sections/Graphics/RendererSettings.cs
index 9747f6b373..653f30a018 100644
--- a/osu.Game/Overlays/Settings/Sections/Graphics/RendererSettings.cs
+++ b/osu.Game/Overlays/Settings/Sections/Graphics/RendererSettings.cs
@@ -48,7 +48,7 @@ namespace osu.Game.Overlays.Settings.Sections.Graphics
 
             frameLimiterDropdown.Current.BindValueChanged(limit =>
             {
-                frameLimiterDropdown.WarningText = limit.NewValue == FrameSync.Unlimited ? GraphicsSettingsStrings.UnlimitedFramesNote : string.Empty;
+                frameLimiterDropdown.WarningText = limit.NewValue == FrameSync.Unlimited ? GraphicsSettingsStrings.UnlimitedFramesNote : default;
             }, true);
         }
     }
diff --git a/osu.Game/Overlays/Settings/Sections/Online/IntegrationSettings.cs b/osu.Game/Overlays/Settings/Sections/Online/IntegrationSettings.cs
index f2a516feef..0207f2fd01 100644
--- a/osu.Game/Overlays/Settings/Sections/Online/IntegrationSettings.cs
+++ b/osu.Game/Overlays/Settings/Sections/Online/IntegrationSettings.cs
@@ -11,7 +11,7 @@ namespace osu.Game.Overlays.Settings.Sections.Online
 {
     public class IntegrationSettings : SettingsSubsection
     {
-        protected override LocalisableString Header => OnlineSettingsStrings.IntegrationHeader;
+        protected override LocalisableString Header => OnlineSettingsStrings.IntegrationsHeader;
 
         [BackgroundDependencyLoader]
         private void load(OsuConfigManager config)
diff --git a/osu.Game/Overlays/Settings/Sections/UserInterface/GeneralSettings.cs b/osu.Game/Overlays/Settings/Sections/UserInterface/GeneralSettings.cs
index b26363a9da..0afbed5df5 100644
--- a/osu.Game/Overlays/Settings/Sections/UserInterface/GeneralSettings.cs
+++ b/osu.Game/Overlays/Settings/Sections/UserInterface/GeneralSettings.cs
@@ -37,7 +37,7 @@ namespace osu.Game.Overlays.Settings.Sections.UserInterface
                 },
                 new SettingsSlider<float, TimeSlider>
                 {
-                    LabelText = UserInterfaceStrings.HoldActivationDelay,
+                    LabelText = UserInterfaceStrings.HoldToConfirmActivationTime,
                     Current = config.GetBindable<float>(OsuSetting.UIHoldActivationDelay),
                     KeyboardStep = 50
                 },
diff --git a/osu.Game/Overlays/Settings/Sections/UserInterface/MainMenuSettings.cs b/osu.Game/Overlays/Settings/Sections/UserInterface/MainMenuSettings.cs
index 976893bf0a..40485a070c 100644
--- a/osu.Game/Overlays/Settings/Sections/UserInterface/MainMenuSettings.cs
+++ b/osu.Game/Overlays/Settings/Sections/UserInterface/MainMenuSettings.cs
@@ -61,7 +61,7 @@ namespace osu.Game.Overlays.Settings.Sections.UserInterface
 
             user.BindValueChanged(u =>
             {
-                backgroundSourceDropdown.WarningText = u.NewValue?.IsSupporter != true ? UserInterfaceStrings.NotSupporterNote : string.Empty;
+                backgroundSourceDropdown.WarningText = u.NewValue?.IsSupporter != true ? UserInterfaceStrings.NotSupporterNote : default;
             }, true);
         }
     }
diff --git a/osu.Game/Overlays/Settings/SettingsSubsection.cs b/osu.Game/Overlays/Settings/SettingsSubsection.cs
index df32424b67..4aa9360452 100644
--- a/osu.Game/Overlays/Settings/SettingsSubsection.cs
+++ b/osu.Game/Overlays/Settings/SettingsSubsection.cs
@@ -24,6 +24,11 @@ namespace osu.Game.Overlays.Settings
         protected abstract LocalisableString Header { get; }
 
         public IEnumerable<IFilterable> FilterableChildren => Children.OfType<IFilterable>();
+
+        // FilterTerms should contains both original string and localised string for user to search.
+        // Since LocalisableString is unable to get original string at this time (2021-08-14),
+        // only call .ToString() to use localised one.
+        // TODO: Update here when FilterTerms accept LocalisableString.
         public virtual IEnumerable<string> FilterTerms => new[] { Header.ToString() };
 
         public bool MatchingFilter