diff --git a/docs/release_notes/4.3/grease_pencil_migration.md b/docs/release_notes/4.3/grease_pencil_migration.md
index 5ee498ee..4fb8fe93 100644
--- a/docs/release_notes/4.3/grease_pencil_migration.md
+++ b/docs/release_notes/4.3/grease_pencil_migration.md
@@ -84,5 +84,11 @@ Grease Pencil modifiers are now regular modifiers.
 | Modifiers         | `object.grease_pencil_modifiers` | `object.modifiers`            |
 | Modifier ID type  | `bpy.types.GpencilModifier`      | `bpy.types.Modifier`          |
 
+Grease Pencil modifier property name changes
+
+|                                  | Blender 4.2          | Blender 4.3                |
+| -------------------------------- | -------------------- | -------------------------- |
+| Opacity Modifier -> Factor       | `factor`             | `color_factor`             |
+
 ### Operators
 *TODO*
\ No newline at end of file