diff --git a/game_api.txt b/game_api.txt
index 4b21ce3f..643d0eb1 100644
--- a/game_api.txt
+++ b/game_api.txt
@@ -760,7 +760,7 @@ stairs.register_stair_and_slab(subname, recipeitem, groups, images, desc_stair,
  * A wrapper for stairs.register_stair, stairs.register_slab, stairs.register_stair_inner, stairs.register_stair_outer
  * Uses almost the same arguments as stairs.register_stair
  * `desc_stair`: Description for stair nodes. For corner stairs 'Inner' or 'Outer' will be prefixed unless
- 	you set arguments `desc_stair_outer` or `desc_stair_inner`
+ 	`desc_stair_outer` or `desc_stair_inner` are specified, which are used instead.
  * `desc_slab`: Description for slab node
  * `desc_stair_outer`: Description for outer stair node
  * `desc_stair_inner`: Description for inner stair node