diff --git a/main.lua b/main.lua
index 4ee9c9f..05c9e3b 100644
--- a/main.lua
+++ b/main.lua
@@ -68,6 +68,7 @@ local function help()
 	]]..a.item("-l	--path-length")..a.value(" {int}")..[[	Sets the path length
 	]]..a.item("-y	--path-width")..a.value(" {int}")..[[	Sets the path width
 	]]..a.item("-z	--path-depth")..a.value(" {int}")..[[	Sets the path depth [3d only]
+		]]..a.item("--colour")..a.value(" {string}")..[[	Sets the colour [maze_svg only]
 		
 ]]..a.header("Environment Variables:")..[[