diff --git a/docs/README-migration.md b/docs/README-migration.md
index 6fe62dce21..c69e4f6e16 100644
--- a/docs/README-migration.md
+++ b/docs/README-migration.md
@@ -1307,7 +1307,7 @@ The following platform preprocessor macros have been renamed:
 | `__RISCOS__`      | `SDL_PLATFORM_RISCOS`     |
 | `__SOLARIS__`     | `SDL_PLATFORM_SOLARIS`    |
 | `__TVOS__`        | `SDL_PLATFORM_TVOS`       |
-| `__unix__`        | `SDL_PLATFORM_UNI`        |
+| `__unix__`        | `SDL_PLATFORM_UNIX`       |
 | `__VITA__`        | `SDL_PLATFORM_VITA`       |
 | `__WIN32__`       | `SDL_PLATFORM_WIN32`      |
 | `__WINGDK__`      | `SDL_PLATFORM_WINGDK`     |