Update PREFIX documentation

diff --git a/docs/index.rst b/docs/index.rst
index db6cc910e74e9201fee9a81157cc9616c310fdc1..9dd732e337696fdf94a99b57ed38a1d4b26dae90 100644 (file)
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -323,7 +323,12 @@ You also can view or set a new value of every config key by ``config`` command (
 \r
 -  ``HIDE_PROMPT``: hide prompt after receiving a tweet or not.\r
 \r
--  ``PREFIX``: display string of prompt.\r
+-  ``PREFIX``: display formated string of prompt.\r
+\r
+    + ``#me``: Your username with '@'\r
+    + ``#place``: Current list name or public for public stream\r
+    + ``#owner``: Owner of the current list\r
+    + ``#keyword``: Keyword for a public stream\r
 \r
 -  ``SEARCH_TYPE``: search type in 'search' command ('mixed','recent','popular').\r
 \r