Add punctuation: This command will ignore a particular userhost no matter which nick they happen to be using at the time Its like your own private ban As long as the annoying user does not change their hostmask you will no longer be bothered
A: This command will ignore a particular user@host, no matter which nick they happen to be using at the time. It's like your own private ban. As long as the annoying user does not change their hostmask, you will no longer be bothered.

Add punctuation: The chief targets are governments banks museums auction houses and insurance firms
A: The chief targets are governments, banks, museums, auction houses, and insurance firms.

Add punctuation: More traditional shunt placements peritoneovenous shunt and systemic portosystemic shunt have been essentially abandoned due to their high rate of complications
A:
More traditional shunt placements (peritoneovenous shunt and systemic portosystemic shunt) have been essentially abandoned due to their high rate of complications.