diff --git a/doc/minetest.6 b/doc/minetest.6
index c690229d..80991289 100644
--- a/doc/minetest.6
+++ b/doc/minetest.6
@@ -1,5 +1,5 @@
 .\" Minetest man page
-.TH minetest 6 "11 March 2012" "" ""
+.TH minetest 6 "10 September 2013" "" ""
 
 .SH NAME
 minetest \- Multiplayer infinite-world block sandbox
@@ -75,6 +75,10 @@ Print enormous amounts of information to console
 .TP
 \-\-world <value>
 Set world path
+.TP
+\-\-migrate <value>
+Migrate from current map backend to another. Possible values are sqlite3
+and leveldb. Only works when using --server.
 
 .SH BUGS
 Please report all bugs to Perttu Ahola <celeron55@gmail.com>.
diff --git a/doc/minetestserver.6 b/doc/minetestserver.6
index 5a9b0a08..35c4a1fe 100644
--- a/doc/minetestserver.6
+++ b/doc/minetestserver.6
@@ -1,5 +1,5 @@
 .\" Minetestserver man page
-.TH minetestserver 6 "11 March 2012" "" ""
+.TH minetestserver 6 "10 September 2013" "" ""
 
 .SH NAME
 minetestserver \- Minetest server
@@ -51,6 +51,10 @@ Print enormous amounts of information to console
 .TP
 \-\-world <value>
 Set world path
+.TP
+\-\-migrate <value>
+Migrate from current map backend to another. Possible values are sqlite3
+and leveldb.
 
 .SH BUGS
 Please report all bugs to Perttu Ahola <celeron55@gmail.com>.