Add keyword
#
# diff --git a/scripts/ping.coffee b/scripts/ping.coffee
# index 1b28a11..8fcd997 100644
# --- a/scripts/ping.coffee
# +++ b/scripts/ping.coffee
# @@ -8,7 +8,7 @@
#  #   hubot die - End hubot process
#
#  module.exports = (robot) ->
# -  robot.hear /ぬるぽ/, (msg) ->
# +  robot.hear /ぬるぽ|ヌルポ|nullpo|NullPointerException/, (msg) ->
#      msg.send '''
#  .
#  　∧,,∧