diff --git a/radio/src/lua/api_model.cpp b/radio/src/lua/api_model.cpp
index 3d9a4e48a..b183043c7 100644
--- a/radio/src/lua/api_model.cpp
+++ b/radio/src/lua/api_model.cpp
@@ -1265,7 +1265,7 @@ static int luaModelSetOutput(lua_State *L)
 }
 
 /*luadoc
-@function model.getGlobalVariable(index [, flight_mode])
+@function model.getGlobalVariable(index, flight_mode)
 
 Return current global variable value