Reference to `sh-utils' should be to `core-utils'

[Reuben Thomas]

diff --git a/doc/automake.texi b/doc/automake.texi
index b3f4a76..17afa84 100644
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -9203,7 +9203,7 @@ run-time dependencies are satisfied after installation.

 @vindex AM_INSTALLCHECK_STD_OPTIONS_EXEMPT
 In a few situations, programs (or scripts) have to be exempted from this
-test.  For instance, @command{false} (from GNU sh-utils) is never
+test.  For instance, @command{false} (from GNU core-utils) is never
 successful, even for @option{--help} or @option{--version}.  You can list
 such programs in the variable @code{AM_INSTALLCHECK_STD_OPTIONS_EXEMPT}.
 Programs (not scripts) listed in this variable should be suffixed by