updated a function comment to be more ... accurate

module/fs.lua

@@ -126,7 +126,7 @@ function fs.mounts() -- returns a table containing the mount points of all mount
  return rt
 end
 
-function fs.address(path) -- returns the address of the filesystem at a given path, if applicable
+function fs.address(path) -- returns the address of the filesystem at a given path, if applicable; do not expect a sensical response
  local fsi,_ = fs.resolve(path)
  return fsmounts[fsi].address
 end