Minor punctuation fixes for manpage.
Minor punctuation fixes for manpage.

eminence/cargo,vojtechkral/cargo,tsurai/cargo,vojtechkral/cargo,rustyhorde/cargo,rustyhorde/cargo,vojtechkral/cargo,rust-lang/cargo,rust-lang/cargo,eminence/cargo,nipunn1313/cargo,tshepang/cargo,tsurai/cargo,tshepang/cargo,tsurai/cargo,rustyhorde/cargo,tsurai/cargo,eminence/cargo,vojtechkral/cargo,rustyhorde/cargo,nipunn1313/cargo,tshepang/cargo,nipunn1313/cargo,tsurai/cargo,nipunn1313/cargo,eminence/cargo,rust-lang/cargo,rust-lang/cargo,tshepang/cargo