diff --git a/ISLE/isleapp.cpp b/ISLE/isleapp.cpp
index 591b1e2e..be4842e2 100644
--- a/ISLE/isleapp.cpp
+++ b/ISLE/isleapp.cpp
@@ -387,6 +387,7 @@ SDL_AppResult SDL_AppEvent(void* appstate, SDL_Event* event)
 #ifdef __EMSCRIPTEN__
 	// Workaround for the fact we are getting both mouse & touch events on mobile devices running Emscripten.
 	// On desktops, we are only getting mouse events, but a touch device (pen_input) may also be present...
+	// See: https://github.com/libsdl-org/SDL/issues/13161
 	static bool detectedTouchEvents = false;
 #endif
 
diff --git a/util/compat.h b/util/compat.h
index 4f680b22..e3b2aca9 100644
--- a/util/compat.h
+++ b/util/compat.h
@@ -17,6 +17,8 @@
 #define DDBitDepths DWORD
 #endif
 
+// SDL will not put the message box on the main thread by default.
+// See: https://github.com/libsdl-org/SDL/issues/12943
 #ifdef __EMSCRIPTEN__
 #define Any_ShowSimpleMessageBox Emscripten_ShowSimpleMessageBox
 #else