diff --git a/Runtime/ReactiveObjects/ModularAvatarMaterialSetter.cs b/Runtime/ReactiveObjects/ModularAvatarMaterialSetter.cs
index 0a919dd0..dfe2cf7d 100644
--- a/Runtime/ReactiveObjects/ModularAvatarMaterialSetter.cs
+++ b/Runtime/ReactiveObjects/ModularAvatarMaterialSetter.cs
@@ -38,7 +38,7 @@ namespace nadena.dev.modular_avatar.core
     }
     
     [AddComponentMenu("Modular Avatar/MA Material Setter")]
-    [HelpURL("https://modular-avatar.nadena.dev/docs/reference/material-setter?lang=auto")]
+    [HelpURL("https://modular-avatar.nadena.dev/docs/reference/reaction/material-setter?lang=auto")]
     public class ModularAvatarMaterialSetter : ReactiveComponent, IHaveObjReferences
     {
         [SerializeField] private List<MaterialSwitchObject> m_objects = new();
diff --git a/Runtime/ReactiveObjects/ModularAvatarObjectToggle.cs b/Runtime/ReactiveObjects/ModularAvatarObjectToggle.cs
index 93b1421a..74cc69a8 100644
--- a/Runtime/ReactiveObjects/ModularAvatarObjectToggle.cs
+++ b/Runtime/ReactiveObjects/ModularAvatarObjectToggle.cs
@@ -21,7 +21,7 @@ namespace nadena.dev.modular_avatar.core
     }
 
     [AddComponentMenu("Modular Avatar/MA Object Toggle")]
-    [HelpURL("https://modular-avatar.nadena.dev/docs/reference/object-toggle?lang=auto")]
+    [HelpURL("https://modular-avatar.nadena.dev/docs/reference/reaction/object-toggle?lang=auto")]
     public class ModularAvatarObjectToggle : ReactiveComponent, IHaveObjReferences
     {
         [SerializeField] private List<ToggledObject> m_objects = new();
diff --git a/Runtime/ReactiveObjects/ModularAvatarShapeChanger.cs b/Runtime/ReactiveObjects/ModularAvatarShapeChanger.cs
index fd54e96f..4fff480b 100644
--- a/Runtime/ReactiveObjects/ModularAvatarShapeChanger.cs
+++ b/Runtime/ReactiveObjects/ModularAvatarShapeChanger.cs
@@ -57,7 +57,7 @@ namespace nadena.dev.modular_avatar.core
     }
 
     [AddComponentMenu("Modular Avatar/MA Shape Changer")]
-    [HelpURL("https://modular-avatar.nadena.dev/docs/reference/shape-changer?lang=auto")]
+    [HelpURL("https://modular-avatar.nadena.dev/docs/reference/reaction/shape-changer?lang=auto")]
     public class ModularAvatarShapeChanger : ReactiveComponent, IHaveObjReferences
     {
         [SerializeField] [FormerlySerializedAs("Shapes")]