cmd-build: fix a typo in the help text
s/Additionnal/Additional
@@ -31,7 +31,7 @@ Usage: coreos-assembler build --help
--tag TAG Set the given tag in the build metadata
--version VERSION Use the given version instead of generating one based on current time
- Additionnal environment variables supported:
+ Additional environment variables supported:
RPMOSTREE_EXTRA_ARGS To pass extra arguments to 'rpm-ostree compose tree ...'
RPMOSTREE_PRESERVE_TMPDIR To keep the temporary compose rootfs from 'rpm-ostree compose tree ...'
