diff --git a/ChangeLog b/ChangeLog
index e62a757b..44c97003 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-12-09  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Updated usage text for --metalink-file option.
+	* src/usage_text.h
+
 2009-12-09  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	If '-' is given as an argument to --metalink-file option, aria2
diff --git a/src/usage_text.h b/src/usage_text.h
index 8d4023a7..2b7a0756 100644
--- a/src/usage_text.h
+++ b/src/usage_text.h
@@ -331,7 +331,8 @@ _(" --bt-max-peers=NUM           Specify the maximum number of peers per torrent
   "                              0 means unlimited.\n"\
   "                              See also --bt-request-peer-speed-limit option.")
 #define TEXT_METALINK_FILE \
-_(" -M, --metalink-file=METALINK_FILE The file path to the .metalink file.")
+_(" -M, --metalink-file=METALINK_FILE The file path to the .metalink file. Reads\n"\
+  "                              input from stdin when '-' is specified.")
 #define TEXT_METALINK_SERVERS \
 _(" -C, --metalink-servers=NUM_SERVERS The number of servers to connect to\n"\
   "                              simultaneously. Some Metalinks regulate the\n"\