diff --git a/include/SDL3/SDL_properties.h b/include/SDL3/SDL_properties.h
index 393d473a1..e48466ed7 100644
--- a/include/SDL3/SDL_properties.h
+++ b/include/SDL3/SDL_properties.h
@@ -1,5 +1,5 @@
 /*
-  Simple DiretMedia Layer
+  Simple DirectMedia Layer
   Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
diff --git a/src/SDL_properties.c b/src/SDL_properties.c
index 5612fd72e..0055bd530 100644
--- a/src/SDL_properties.c
+++ b/src/SDL_properties.c
@@ -1,5 +1,5 @@
 /*
-  Simple DiretMedia Layer
+  Simple DirectMedia Layer
   Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
diff --git a/src/SDL_properties_c.h b/src/SDL_properties_c.h
index b0a426b5c..e7a471cdd 100644
--- a/src/SDL_properties_c.h
+++ b/src/SDL_properties_c.h
@@ -1,5 +1,5 @@
 /*
-  Simple DiretMedia Layer
+  Simple DirectMedia Layer
   Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied