mazeseed: Update comment

utils/strings.lua

@@ -14,8 +14,8 @@ end
 -- the output of tonumber() is returned.
 -- Otherwise, the string is converted to a number via a simple hashing algorithm
 -- (caution: certainlly NOT crypto-secure!).
-
--- @source https://stackoverflow.com/a/2624210/1460422
+-- @param   {string}    str     The string to convert.
+-- @source https://stackoverflow.com/a/2624210/1460422 The idea came from here
 function M.makeseed(str)
     if type(str) == "number" then return str end
     if tonumber(str) ~=  nil then return tonumber(str) end