diff --git a/libraries/AP_Scripting/docs/docs.lua b/libraries/AP_Scripting/docs/docs.lua
index f3a6e8b638..40ddb7ac9c 100644
--- a/libraries/AP_Scripting/docs/docs.lua
+++ b/libraries/AP_Scripting/docs/docs.lua
@@ -2000,6 +2000,7 @@ serialLED = {}
 
 -- desc
 ---@param chan integer
+---@return boolean
 function serialLED:send(chan) end
 
 -- desc
@@ -2008,6 +2009,7 @@ function serialLED:send(chan) end
 ---@param red integer
 ---@param green integer
 ---@param blue integer
+---@return boolean
 function serialLED:set_RGB(chan, led_index, red, green, blue) end
 
 -- desc
diff --git a/libraries/AP_Scripting/generator/description/bindings.desc b/libraries/AP_Scripting/generator/description/bindings.desc
index 284633ce17..a37476a525 100644
--- a/libraries/AP_Scripting/generator/description/bindings.desc
+++ b/libraries/AP_Scripting/generator/description/bindings.desc
@@ -313,8 +313,8 @@ singleton AP_SerialLED depends AP_SERIALLED_ENABLED
 singleton AP_SerialLED method set_num_neopixel boolean uint8_t 1 16 uint8_t 0 AP_SERIALLED_MAX_LEDS
 singleton AP_SerialLED method set_num_neopixel_rgb boolean uint8_t 1 16 uint8_t 0 AP_SERIALLED_MAX_LEDS
 singleton AP_SerialLED method set_num_profiled boolean uint8_t 1 16 uint8_t 0 AP_SERIALLED_MAX_LEDS
-singleton AP_SerialLED method set_RGB void uint8_t 1 16 int8_t -1 INT8_MAX uint8_t'skip_check uint8_t'skip_check uint8_t'skip_check
-singleton AP_SerialLED method send void uint8_t 1 16
+singleton AP_SerialLED method set_RGB boolean uint8_t 1 16 int8_t -1 INT8_MAX uint8_t'skip_check uint8_t'skip_check uint8_t'skip_check
+singleton AP_SerialLED method send boolean uint8_t 1 16
 
 include SRV_Channel/SRV_Channel.h
 singleton SRV_Channels depends (!defined(HAL_BUILD_AP_PERIPH) || defined(HAL_PERIPH_ENABLE_RC_OUT))