diff --git a/internal/driver/glfw/driver_darwin.m b/internal/driver/glfw/driver_darwin.m
index 560c99be1c..884aae3b79 100644
--- a/internal/driver/glfw/driver_darwin.m
+++ b/internal/driver/glfw/driver_darwin.m
@@ -28,6 +28,7 @@ void setDisableDisplaySleep(BOOL disable) {
     }
 }
 
+// https://developer.apple.com/documentation/appkit/nsevent/1528384-doubleclickinterval?language=objc
 double doubleClickInterval() {
     return [NSEvent doubleClickInterval];
-}
\ No newline at end of file
+}
diff --git a/internal/driver/glfw/driver_windows.go b/internal/driver/glfw/driver_windows.go
index ce9fa7f12b..2f60018e1f 100644
--- a/internal/driver/glfw/driver_windows.go
+++ b/internal/driver/glfw/driver_windows.go
@@ -71,6 +71,7 @@ func setDisableScreenBlank(disable bool) {
 const defaultDoubleTapDelay = 300 * time.Millisecond
 
 func (g *gLDriver) DoubleTapDelay() time.Duration {
+	// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getdoubleclicktime
 	user32 := syscall.NewLazyDLL("user32.dll")
 	if user32 == nil {
 		return defaultDoubleTapDelay