[Editorial] by-by -> bye-bye

src/epub/text/chapter-8.xhtml

@@ -55,7 +55,7 @@
 			<p>Hugo grinned. “No, sir! Iris once is very nice, but no man’s equal to Iris twice.” His grin became a chuckle. “And that’s a poem which you can say to Iris if you see her⁠—and tell her I hope it makes her mad.”</p>
 			<p>Lefty’s blue eyes sparkled with appreciation. Danner was a wonderful boy. Full of wit and not dumb like most of his kind. Getting smooth, too. Be a great man. Too bad to leave him⁠—even for the summer. “Well⁠—so long, old man.”</p>
 			<p>Hugo watched Lefty lift his bags into a cab and roll away in the warm June dust. Then Chuck:</p>
-			<p>“Well⁠—by-by, Hugo. See you next September.”</p>
+			<p>“Well⁠—bye-bye, Hugo. See you next September.”</p>
 			<p>“Yeah. Take care of yourself.”</p>
 			<p>“No chance of your going abroad, is there? Because we sure could paint the old Avenue de l’Opéra red if you did.”</p>
 			<p>“Not this year, Chuck.”</p>