diff --git a/src/engine/client/backend_sdl.cpp b/src/engine/client/backend_sdl.cpp
index c9eea3730..9592c2fc3 100644
--- a/src/engine/client/backend_sdl.cpp
+++ b/src/engine/client/backend_sdl.cpp
@@ -672,7 +672,7 @@ int CGraphicsBackend_SDL_OpenGL::Init(const char *pName, int *Screen, int *pWidt
 	if(Flags&IGraphicsBackend::INITFLAG_BORDERLESS)
 		SdlFlags |= SDL_WINDOW_BORDERLESS;
 	if(Flags&IGraphicsBackend::INITFLAG_FULLSCREEN)
-#if defined(CONF_PLATFORM_MACOSX)	// Todo: remove this when fixed in SDL
+#if defined(CONF_PLATFORM_MACOSX)	// Todo SDL: remove this when fixed (game freezes when losing focus in fullscreen)
 		SdlFlags |= SDL_WINDOW_FULLSCREEN_DESKTOP;	// always use "fake" fullscreen
 	*pWidth = *pDesktopWidth;
 	*pHeight = *pDesktopHeight;
@@ -790,7 +790,7 @@ void CGraphicsBackend_SDL_OpenGL::Maximize()
 
 bool CGraphicsBackend_SDL_OpenGL::Fullscreen(bool State)
 {
-#if defined(CONF_PLATFORM_MACOSX)	// Todo: remove this when fixed in SDL
+#if defined(CONF_PLATFORM_MACOSX)	// Todo SDL: remove this when fixed (game freezes when losing focus in fullscreen)
 	return SDL_SetWindowFullscreen(m_pWindow, State ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0) == 0;
 #else
 	return SDL_SetWindowFullscreen(m_pWindow, State ? SDL_WINDOW_FULLSCREEN : 0) == 0;
diff --git a/src/engine/client/client.cpp b/src/engine/client/client.cpp
index a0eb46d99..9194e9cc6 100644
--- a/src/engine/client/client.cpp
+++ b/src/engine/client/client.cpp
@@ -2213,7 +2213,7 @@ void CClient::ConchainServerBrowserUpdate(IConsole::IResult *pResult, void *pUse
 
 void CClient::SwitchWindowScreen(int Index)
 {
-	// Todo: remove this if fixed by SDL
+	// Todo SDL: remove this when fixed (changing screen when in fullscreen is bugged)
 	if(g_Config.m_GfxFullscreen)
 	{
 		ToggleFullscreen();
diff --git a/src/engine/client/input.cpp b/src/engine/client/input.cpp
index 6bf08acd4..6464f47ed 100644
--- a/src/engine/client/input.cpp
+++ b/src/engine/client/input.cpp
@@ -196,7 +196,7 @@ int CInput::Update()
 					Action = IInput::FLAG_RELEASE;
 					break;
 
-#if defined(CONF_PLATFORM_MACOSX)	// Todo: remove this when fixed in SDL
+#if defined(CONF_PLATFORM_MACOSX)	// Todo SDL: remove this when fixed (mouse state is faulty on start)
 				case SDL_WINDOWEVENT:
 					if(Event.window.event == SDL_WINDOWEVENT_MAXIMIZED)
 					{