readme: fix typo in tests/README

diff --git a/tests/README b/tests/README
index bfd5562..529bc59 100644 (file)
--- a/tests/README
+++ b/tests/README
@@ -204,7 +204,7 @@ Do
   that configure.in registers Makefile.in but do not output anything by
   default.  If you need ./configure to create Makefile, append AC_OUTPUT
   to configure.in.  In case you don't want ./defs to pre-populate your
-  test directory (which is a rare occurrence), set `$am_create_destdir'
+  test directory (which is a rare occurrence), set `$am_create_testdir'
   to "empty" before sourcing ./defs.
 
   By default, the testcases are run with the `errexit' shell flag on,