diff --git a/doc/misc/emacs-mime.texi b/doc/misc/emacs-mime.texi
index c30403d2b4a..b71cc3755bf 100644
--- a/doc/misc/emacs-mime.texi
+++ b/doc/misc/emacs-mime.texi
@@ -1859,7 +1859,7 @@ Emacs-provided viewer settings.
 If @code{nil}, Emacs-provided viewer settings have precedence.  Next,
 the most specific viewer has precedence over less specific settings,
 no matter if they're system-provided or private, so @samp{image/gif}
-in @file{/etc/mailcap} will ``win'' over a @samp{image/*} setting in
+in @file{/etc/mailcap} will ``win'' over an @samp{image/*} setting in
 @file{~/.mailcap}.
 
 @end table