Add a few more lines of docs.

diff --git a/AckisRecipeList.lua b/AckisRecipeList.lua
index 60efa2b..f29efe9 100644
--- a/AckisRecipeList.lua
+++ b/AckisRecipeList.lua
@@ -1743,7 +1743,9 @@ do
 	-- Input: Profession of the database needed
 	-- Output: An indicator if the process was successful

-	-- @return Boolean indicating if the operation was successful.
+	--- Return a proxy object that will serialize to null.
+	-- @usage AckisRecipeList:AddRecipeData(profession)
+	-- @return boolean indicating if the operation was successful.
 	function addon:AddRecipeData(profession)

 		if (RecipeList) then