diff --git a/contrib/julia-mode.el b/contrib/julia-mode.el
index 0d71c08f599b2..b744a24093fac 100644
--- a/contrib/julia-mode.el
+++ b/contrib/julia-mode.el
@@ -483,6 +483,7 @@ before point. Returns nil if we're not within nested parens."
 ;        println("(puthash \"$ks\" \"$vs\" julia-latexsubs)")
 ;    end
 ;end
+; (See Julia issue #8947 for why we don't use the Emacs tex input mode.)
 (puthash "\\textexclamdown" "¡" julia-latexsubs)
 (puthash "\\sterling" "£" julia-latexsubs)
 (puthash "\\yen" "¥" julia-latexsubs)