This must be some kind of joke 
Output
When I use zsh TAB completion options -y and -n describe the other way around.
Output

# pkg help autoremoveOutput
Code:
-y Assume yes when asked for confirmation before package autoremoval.
-n Dry-run mode. The list of changes to packages is always printed, but
no changes are actually made.
When I use zsh TAB completion options -y and -n describe the other way around.
# pkg autoremove -Output
Code:
[root@plone:~] pkg autoremove -
-n -- Assume yes when asked for confirmation
-y -- Assume no (dry run) for confirmations
