diff --git a/.gitignore b/.gitignore
index 0371e06..5f77adf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@ OLDmods/*/
 doxygen.log
 html/
 latex/
+doc/
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..0061b48
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+.PHONY: doc
+
+doc:
+	luadoc -d doc/ mods
diff --git a/ROADMAP b/ROADMAP
index ca5547b..436452f 100644
--- a/ROADMAP
+++ b/ROADMAP
@@ -257,6 +257,8 @@ It's really fast. May be used on a website, to show the actual map.
   Maybe used with https://github.com/octacian/spawnpoint
 **** TODO May generate documentation for mods code
      :LOGBOOK:
+     CLOCK: [2020-05-07 jeu. 21:54]--[2020-05-07 jeu. 22:17] =>  0:23
+     CLOCK: [2020-05-07 jeu. 16:37]--[2020-05-07 jeu. 16:47] =>  0:10
      CLOCK: [2020-04-17 ven. 20:37]--[2020-04-17 ven. 21:00] =>  0:23
      :END:
 - [X] =luadoc -d doc/ mods=
@@ -266,9 +268,16 @@ It's really fast. May be used on a website, to show the actual map.
   https://github.com/alecchen/doxygen-lua/
   - [X] Testing, should fix =Can't locate Doxygen/Lua.pm =
 
-- [ ] Update doxygen documentation
-  - [ ] There's no Related page for factions_ui
+- [-] Update doxygen documentation
+  - [X] There's no Related page for factions_ui
   - [ ] In fact, sources aren't documented, only README.md are collected
+    Trying to docuent factions_ui/init.lua to see if undocumented members
+    are in logfile
+
+- [ ] Retrying luadoc
+  mods/factions/factions.lua has some correctly documented functions
+  - [ ] We should be able to change style (#navigation not so large)
+    We could replace doc/luadoc.css directly
 
 **** DONE [feature_FactionUI] Try to add a factions UI
      :LOGBOOK:
diff --git a/mods/factions_ui/init.lua b/mods/factions_ui/init.lua
index 52436eb..a624798 100644
--- a/mods/factions_ui/init.lua
+++ b/mods/factions_ui/init.lua
@@ -1,13 +1,17 @@
 
+--- Keep the module path
 local modpath = minetest.get_modpath("factions_ui")
 
+--- Send the given message to the given player
+-- @param player  The player to send the message to
+-- @param message The message to be sent
 local send_error = function(player, message)
     minetest.chat_send_player(player, message)
 end
 
--- Count and return the number of players in the given faction
+--- Count and return the number of players in the given faction
 --
--- \param faction A faction object
+-- @param faction A faction object
 function fac_player_count(faction)
     local count = 0.
     for k, v in pairs(faction.players) do