Fixed comment
diff --git a/src/video/x11/SDL_x11opengl.h b/src/video/x11/SDL_x11opengl.h
index 5d781c3..7e5654d 100644
--- a/src/video/x11/SDL_x11opengl.h
+++ b/src/video/x11/SDL_x11opengl.h
@@ -37,7 +37,7 @@ struct SDL_GLDriverData
SDL_bool HAS_GLX_ARB_context_flush_control;
/* Max version of OpenGL ES context that can be created if the
- implementation supports WGL_EXT_create_context_es2_profile.
+ implementation supports GLX_EXT_create_context_es2_profile.
major = minor = 0 when unsupported.
*/
struct {