diff --git a/man/cmdargs.texi b/man/cmdargs.texi
index 608a2f06b86..8029c389cda 100644
--- a/man/cmdargs.texi
+++ b/man/cmdargs.texi
@@ -364,7 +364,9 @@ variables with a nonempty value specifies the locale.)  A locale name
 which contains @samp{8859-@var{n}}, @samp{8859_@var{n}} or
 @samp{8859@var{n}}, where @var{n} is between 1 and 4, automatically
 specifies the @samp{Latin-@var{n}} language environment when Emacs
-starts up.  If @var{n} is 9, that specifies @samp{Latin-5}.
+starts up.  There are a few extensions: if @var{n} is 9, that specifies
+@samp{Latin-5}, and if @var{n} is 14 or 15, that specifies
+@samp{Latin-8} and @samp{Latin-9}, respectively.
 
 The locale value you specify with one of these three variables is
 matched against entries in @code{locale-language-names},