diff --git a/sys/boot/opus.boot b/sys/boot/opus.boot
index da4a3c4..f189ad5 100644
--- a/sys/boot/opus.boot
+++ b/sys/boot/opus.boot
@@ -1,7 +1,7 @@
 local fs = _G.fs
 
 -- override bios function to include the actual filename
-function _G.loadfile(filename, env)
+function _G.loadfile(filename, mode, env)
     -- Support the previous `loadfile(filename, env)` form instead.
     if type(mode) == "table" and env == nil then
         mode, env = nil, mode
diff --git a/sys/modules/opus/util.lua b/sys/modules/opus/util.lua
index 3d69dcf..ec3c7d6 100644
--- a/sys/modules/opus/util.lua
+++ b/sys/modules/opus/util.lua
@@ -13,6 +13,7 @@ local _unpack   = table.unpack
 local _bor      = bit32.bor
 local _bxor     = bit32.bxor
 
+-- support multiple simultaneous gets for same url
 if not http.safeGet then -- really no good place to put this hack
 	local reqs = { }