diff --git a/doc/menu_lua_api.md b/doc/menu_lua_api.md
index 56b51f3b9..2fc2ee6da 100644
--- a/doc/menu_lua_api.md
+++ b/doc/menu_lua_api.md
@@ -109,6 +109,8 @@ of manually putting one, as different OSs use different delimiters. E.g.
 * `handle:stop()` or `core.sound_stop(handle)`
 * `core.get_mapgen_names([include_hidden=false])` -> table of map generator algorithms
     registered in the core (possible in async calls)
+* `core.get_mapgen_descriptions([include_hidden=false])` -> table of map generator descriptions,
+    in the same order as returned by `core.get_mapgen_names` registered in the core (possible in async calls)
 * `core.get_cache_path()` -> path of cache
 * `core.get_temp_path([param])` (possible in async calls)
   * `param`=true: returns path to a newly created temporary file
diff --git a/src/script/lua_api/l_mainmenu.cpp b/src/script/lua_api/l_mainmenu.cpp
index 3f76ff55d..e91d5eeed 100644
--- a/src/script/lua_api/l_mainmenu.cpp
+++ b/src/script/lua_api/l_mainmenu.cpp
@@ -1117,6 +1117,7 @@ void ModApiMainMenu::InitializeAsync(lua_State *L, int top)
 	API_FCT(get_worlds);
 	API_FCT(get_games);
 	API_FCT(get_mapgen_names);
+	API_FCT(get_mapgen_descriptions);
 	API_FCT(get_user_path);
 	API_FCT(get_modpath);
 	API_FCT(get_modpaths);