Removed extra []

diff --git a/ext/mbstring/config.m4 b/ext/mbstring/config.m4
index bc623560be831e9661bd0a05b624c95f9a98dec4..b6e2c71094a0daf50d69cdf53283e3f8bed553b6 100644 (file)
--- a/ext/mbstring/config.m4
+++ b/ext/mbstring/config.m4
@@ -3,7 +3,7 @@ dnl $Id$
 dnl
 
 PHP_ARG_ENABLE(mbstring, whether to enable multibyte string support,
-[  --enable-mbstring[[=LANG]]
+[  --enable-mbstring[=LANG]
                           Enable multibyte string support.
                           LANG can be any one of ja, cn, tw, kr, ru, or "all".])