[trivial PATCH] Fix typo in aclocal m4 directory README

[Andrew Eikum]

Signed-off-by: Andrew Eikum <address@hidden>

---

Noticed this while poking around the system today.

 m4/acdir/README |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m4/acdir/README b/m4/acdir/README
index c2bf903..7c6f487 100644
--- a/m4/acdir/README
+++ b/m4/acdir/README
@@ -5,5 +5,5 @@ program.
 The .m4 files placed here could be shared among different versions
 of aclocal, so be careful.
 
-Even no actual .m4 files are present, this directory is required
+Even if no actual .m4 files are present, this directory is required
 in order for aclocal to work properly.  Please do not remove it.