diff --git a/examples/hello_world.rs b/examples/hello_world.rs
index 9b1954b..4d7accd 100644
--- a/examples/hello_world.rs
+++ b/examples/hello_world.rs
@@ -61,6 +61,8 @@ fn main() -> Result<(), Error> {
     }
     tts.speak("Goodbye.", false)?;
     let mut _input = String::new();
+    // The below is only needed to make the example run on MacOS because there is no NSRunLoop in this context.
+    // It shouldn't be needed in an app or game that almost certainly has one already.
     #[cfg(target_os = "macos")]
     {
         let run_loop: id = unsafe { NSRunLoop::currentRunLoop() };