diff --git a/api/SetWhoToUI.lua b/api/SetWhoToUI.lua
index 5bed162..4266b2d 100644
--- a/api/SetWhoToUI.lua
+++ b/api/SetWhoToUI.lua
@@ -1,7 +1,9 @@
 ---@diagnostic disable: missing-return, lowercase-global
 
+---@alias WHO_LIST_UPDATE
+---| '0' - CHAT_MSG_SYSTEM
+---| '1' - WHO_LIST_UPDATE
+
 ---@param state WHO_LIST_UPDATE 
----@param 0 WHO_LIST_UPDATE 
----@param 1 WHO_LIST_UPDATE 
 ---Changes the delivery method for results from SendWho() queries. In the default UI, results delivered in CHAT_MSG_SYSTEM are printed in the main chat window; results delivered in a WHO_LIST_UPDATE event cause the FriendsFrame to be shown, displaying the results in its "Who" tab.
-function SetWhoToUI(state, 0, 1) end
\ No newline at end of file
+function SetWhoToUI(state) end
\ No newline at end of file
diff --git a/api/UnitInParty.lua b/api/UnitInParty.lua
index ef33427..3a89083 100644
--- a/api/UnitInParty.lua
+++ b/api/UnitInParty.lua
@@ -1,7 +1,7 @@
 ---@diagnostic disable: missing-return, lowercase-global
 
 ---@param unit string 
----@param name string 
----@return 1nil inParty 
+---@return number|nil inParty (1 or nil)
 ---Returns whether a unit is a player unit in the player's party. Always returns 1 for the player unit. Returns nil for the player's or party members' pets.
-function UnitInParty(unit, name) end
\ No newline at end of file
+---@overload fun(name: string): number|nil
+function UnitInParty(unit) end
\ No newline at end of file
diff --git a/api/UnitIsRaidOfficer.lua b/api/UnitIsRaidOfficer.lua
index 4b0c08c..7b56f77 100644
--- a/api/UnitIsRaidOfficer.lua
+++ b/api/UnitIsRaidOfficer.lua
@@ -1,7 +1,7 @@
 ---@diagnostic disable: missing-return, lowercase-global
 
 ---@param unit string 
----@param name string 
----@return 1nil leader 
+---@return number|nil leader (1 or nil)
 ---Returns whether a unit is a raid assistant in the player's raid
-function UnitIsRaidOfficer(unit, name) end
\ No newline at end of file
+---@overload fun(name: string): number|nil
+function UnitIsRaidOfficer(unit) end
\ No newline at end of file