diff --git a/include/SDL3/SDL_hints.h b/include/SDL3/SDL_hints.h
index c276ad9b54..ceea7fe43d 100644
--- a/include/SDL3/SDL_hints.h
+++ b/include/SDL3/SDL_hints.h
@@ -2497,7 +2497,7 @@ extern "C" {
  * system while relative mode is active, in case the desired confinement state
  * became out-of-sync due to interference from other running programs.
  *
- * The variable can be integers representing miliseconds between each refresh.
+ * The variable can be integers representing milliseconds between each refresh.
  * A value of zero means SDL will not automatically refresh the confinement.
  * The default value varies depending on the operating system, this variable
  * might not have any effects on inapplicable platforms such as those without
diff --git a/src/audio/dummy/SDL_dummyaudio.h b/src/audio/dummy/SDL_dummyaudio.h
index 6f4c31c979..fd46c3a8f0 100644
--- a/src/audio/dummy/SDL_dummyaudio.h
+++ b/src/audio/dummy/SDL_dummyaudio.h
@@ -28,7 +28,7 @@
 struct SDL_PrivateAudioData
 {
     Uint8 *mixbuf;   // The file descriptor for the audio device
-    Uint32 io_delay; // miliseconds to sleep in WaitDevice.
+    Uint32 io_delay; // milliseconds to sleep in WaitDevice.
 };
 
 #endif // SDL_dummyaudio_h_