diff --git a/ChangeLog b/ChangeLog
index 484a5935..ef0bc407 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-09-08  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
+
+	Added help message for -R option.
+	* src/HelpItemFactory.cc
+	* src/usage_text.h
+
 2008-09-08  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
 
 	Added the message that the time is in local time zone.
diff --git a/src/HelpItemFactory.cc b/src/HelpItemFactory.cc
index ee29eb6b..49264f6a 100644
--- a/src/HelpItemFactory.cc
+++ b/src/HelpItemFactory.cc
@@ -511,6 +511,14 @@ TagContainerHandle HelpItemFactory::createHelpItems(const Option* op)
 		    V_WARN.c_str(), V_ERROR.c_str()).str());
     tc->addItem(item);
   }
+  {
+    HelpItemHandle item(new HelpItem(PREF_REMOTE_TIME, TEXT_REMOTE_TIME,
+				     op->get(PREF_REMOTE_TIME)));
+    item->addTag(TAG_HTTP);
+    item->addTag(TAG_FTP);
+    item->addTag(TAG_ADVANCED);
+    tc->addItem(item);
+  }
   {
     HelpItemHandle item(new HelpItem("help", TEXT_HELP, TAG_BASIC));
     item->setAvailableValues
diff --git a/src/usage_text.h b/src/usage_text.h
index 7a20735d..5bedfdcf 100644
--- a/src/usage_text.h
+++ b/src/usage_text.h
@@ -356,3 +356,7 @@ _(" --summary-interval=SEC       Set interval to output download progress summar
   "                              Setting 0 suppresses the output.")
 #define TEXT_LOG_LEVEL \
 _(" --log-level=LEVEL            Set log level to output.")
+#define TEXT_REMOTE_TIME \
+_(" -R, --remote-time[=true|false] Retrieve timestamp of the remote file from the\n"\
+  "                              remote HTTP/FTP server and if it is available,\n"\
+  "                              apply it to the local file.")