diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index f7c3022dbdf4..58ad983d7cd6 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -78,7 +78,7 @@ struct drm_plane_helper_funcs;
 /**
  * struct drm_crtc_state - mutable CRTC state
  *
- * Note that the distinction between @enable and @active is rather subtile:
+ * Note that the distinction between @enable and @active is rather subtle:
  * Flipping @active while @enable is set without changing anything else may
  * never return in a failure from the &drm_mode_config_funcs.atomic_check
  * callback. Userspace assumes that a DPMS On will always succeed. In other