* helm-files.el (helm-find-files-get-candidates): Fix comment, no code--change.
(helm-ff--transform-pattern-for-completion): Fix docstring, no code--change.
* helm-files.el (helm-ff--transform-pattern-for-completion): Fix when BD have a subdir similar to BN (#541).
* helm-files.el (helm-find-files-get-candidates): Use only once expand-filename.