man teamdctl: Minor improvements to style and language

Signed-off-by: Stephen Wadeley <swadeley@redhat.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
man teamd.conf: Minor improvements to style and language

Signed-off-by: Stephen Wadeley <swadeley@redhat.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>