o fix wording (host.1)
o BR should be .BR (host.1)
o remove remained English phrase (login.1)
o trailing word after ".Fl n" should be on the next line (make.1)
o add new line before ".TP" (objcopy.1)
o remove leading "+" (objcopy.1)

Submitted by: Satoru Koizumi <koizumi@cms.phys.s.u-tokyo.ac.jp>