diff --git a/libraries/AP_Scripting/docs/docs.lua b/libraries/AP_Scripting/docs/docs.lua
index f74195d5eb..073c2c291b 100644
--- a/libraries/AP_Scripting/docs/docs.lua
+++ b/libraries/AP_Scripting/docs/docs.lua
@@ -1457,9 +1457,8 @@ function terrain:height_terrain_difference_home(extrapolate) end
 
 -- desc
 ---@param loc Location_ud
----@param corrected boolean
 ---@return number|nil
-function terrain:height_amsl(loc, corrected) end
+function terrain:height_amsl(loc) end
 
 -- desc
 ---@return integer
diff --git a/libraries/AP_Scripting/generator/description/bindings.desc b/libraries/AP_Scripting/generator/description/bindings.desc
index fba015b46e..0bfb3ec4f3 100644
--- a/libraries/AP_Scripting/generator/description/bindings.desc
+++ b/libraries/AP_Scripting/generator/description/bindings.desc
@@ -173,7 +173,7 @@ singleton AP_Terrain alias terrain
 singleton AP_Terrain method enabled boolean
 singleton AP_Terrain enum TerrainStatusDisabled TerrainStatusUnhealthy TerrainStatusOK
 singleton AP_Terrain method status uint8_t
-singleton AP_Terrain method height_amsl boolean Location float'Null boolean
+singleton AP_Terrain method height_amsl boolean Location float'Null
 singleton AP_Terrain method height_terrain_difference_home boolean float'Null boolean
 singleton AP_Terrain method height_above_terrain boolean float'Null boolean