diff --git a/preload.lua b/preload.lua
index ac63be6..095b29c 100644
--- a/preload.lua
+++ b/preload.lua
@@ -72,8 +72,8 @@ These are the global Hilbish functions that are always available and not part of
 				return
 			end
 			funcdocs = f:read '*a'
-			local subdocs = table.map(fs.readdir(moddocPath), function(f)
-				return lunacolors.underline(lunacolors.blue(string.gsub(f, '.txt', '')))
+			local subdocs = table.map(fs.readdir(moddocPath), function(fname)
+				return lunacolors.underline(lunacolors.blue(string.gsub(fname, '.txt', '')))
 			end)
 			if subdocName == 'index' then
 				funcdocs = funcdocs .. '\nSubdocs: ' .. table.concat(subdocs, ', ')