f3850db83f
They used single-quotes (') in the exec-form of onbuild run command
and things blew up. They asked to fix the man page to explain why.
Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
Upstream-commit: b3769f0ca6f70303e7fa4a3ec1cc47bab91de34b
Component: engine