diff --git a/ChangeLog b/ChangeLog
index 0da0d06837..858981af6a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Dec  7 19:04:22 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in (rpath): fix typo in the help string.  a patch from
+	  Yuji Yamano <yyamano AT kt.rim.or.jp> in [ruby-list:48568].
+
 Wed Dec  7 18:55:56 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* vm.c (vm_set_top_stack, vm_set_eval_stack): check for stack
diff --git a/configure.in b/configure.in
index 3ac39b50bd..c6ef53fe63 100644
--- a/configure.in
+++ b/configure.in
@@ -2019,7 +2019,8 @@ if test "$with_dln_a_out" != yes; then
 
 
   AC_ARG_ENABLE(rpath,
-       AS_HELP_STRING([--disable-rpath], [embed run path into extension libraries]),
+       AS_HELP_STRING([--enable-rpath], [embed run path into extension libraries.
+       enabled by default on ELF platforms]),
        [enable_rpath=$enableval], [enable_rpath="$rb_cv_binary_elf"])
   if test "$enable_rpath" = yes; then
     RPATHFLAG=" ${linker_flag}-R%1\$-s"