fix error on 'ros help install ccl-bin'
fix error on 'ros help install ccl-bin'

JulienBoubechtoulaAmabis/roswell,fukamachi/roswell,amarie-formation/roswell,JulienBoubechtoulaAmabis/roswell,fukamachi/roswell,Rudolph-Miller/roswell,kubov/roswell,fukamachi/roswell,fukamachi/roswell,guicho271828/roswell,kubov/roswell,guicho271828/roswell,roswell/roswell,pradhyu/roswell,amarie-formation/roswell,snmsts/roswell,pradhyu/roswell,Rudolph-Miller/roswell,kubov/roswell,amarie-formation/roswell,JulienBoubechtoulaAmabis/roswell,roswell/roswell,snmsts/roswell,snmsts/roswell,guicho271828/roswell,guicho271828/roswell,snmsts/roswell,JulienBoubechtoulaAmabis/roswell,pradhyu/roswell,JulienBoubechtoulaAmabis/roswell,Rudolph-Miller/roswell,roswell/roswell,pradhyu/roswell,roswell/roswell,kubov/roswell,Rudolph-Miller/roswell,amarie-formation/roswell