diff --git a/ChangeLog b/ChangeLog
index 03c1acff16..8b25a892cd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Aug 13 02:36:47 2008  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* transcode.c (str_transcode): fix error message.
+
 Tue Aug 12 23:42:31 2008  Tanaka Akira  <akr@fsij.org>
 
 	* transcode.c (rb_cEncodingConverter): new class Encoding::Converter.
diff --git a/transcode.c b/transcode.c
index 324bc3e483..5f361e7753 100644
--- a/transcode.c
+++ b/transcode.c
@@ -1072,7 +1072,7 @@ str_transcode(int argc, VALUE *argv, VALUE *self)
 	    v = rb_hash_aref(opt, sym_replace);
 	}
 	else {
-	    rb_raise(rb_eArgError, "unknown value for invalid: setting");
+	    rb_raise(rb_eArgError, "unknown value for invalid character option");
 	}
 	v = rb_hash_aref(opt, sym_undef);
 	if (NIL_P(v)) {
@@ -1084,7 +1084,7 @@ str_transcode(int argc, VALUE *argv, VALUE *self)
 	    options |= UNDEF_REPLACE;
 	}
 	else {
-	    rb_raise(rb_eArgError, "unknown value for undef: setting");
+	    rb_raise(rb_eArgError, "unknown value for undefined character option");
 	}
     }
     if (argc < 1 || argc > 2) {
diff --git a/version.h b/version.h
index de94d9ead9..c176592055 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2008-08-12"
+#define RUBY_RELEASE_DATE "2008-08-13"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20080812
+#define RUBY_RELEASE_CODE 20080813
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2008
 #define RUBY_RELEASE_MONTH 8
-#define RUBY_RELEASE_DAY 12
+#define RUBY_RELEASE_DAY 13
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];