diff --git a/configure.ac b/configure.ac
index 20158d2..4c2a6ac 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,7 +31,7 @@ xtlibdir="$(pkg-config --variable=xtlibdir xtables)"
 
 AC_ARG_WITH([xtlibdir],
 	AS_HELP_STRING([--with-xtlibdir=PATH],
-	[Path where to install Xtables extensions [[autodetect]]]]),
+	[Path where to install Xtables extensions [[autodetect]]]),
 	[xtlibdir="$withval"])
 AC_MSG_CHECKING([Xtables module directory])
 AC_MSG_RESULT([$xtlibdir])
diff --git a/doc/changelog.txt b/doc/changelog.txt
index c4a7ead..348774a 100644
--- a/doc/changelog.txt
+++ b/doc/changelog.txt
@@ -4,6 +4,7 @@ HEAD
 Fixes:
 - length2, SYSRQ, RAWNAT: preinitialize values for ipv6_find_hdr
 - TARPIT: fix memory leak when tarpit_generic() fails
+- build: build: remove extraneous closing bracket in configure.ac
 
 
 v1.45 (2012-07-16)