diff --git a/api.lua b/api.lua
index cf0eb61..4add9c5 100644
--- a/api.lua
+++ b/api.lua
@@ -300,6 +300,10 @@ setmetatable(iSoundGroup, SoundGroup.__init)
 iSoundGroup.prepend = true
 
 
+--- Functions
+--
+--  @section functions
+
 local biome_sounds = {}
 
 --- Registers sounds to play randomly in biome.