updated doc comment for multiple image displays

examples/multiple_image_displays.rs

@@ -2,7 +2,7 @@
 //! Run this example from your root directory, enabled the display_image feature and
 //! provide a path to an image file as an argument.
 //!
-//! `cargo run --release --features display-window --example display_image examples/wrench.jpg`
+//! `cargo run --release --features display-window --example multiple_image_displays examples/wrench.jpg examples/empire-state-building.jpg`
 
 #[cfg(feature = "display-window")]
 fn main() {