Fixed syntax error in example curl invokation
Fixed syntax error in example curl invokation

MG-RAST/MG-RAST,MG-RAST/MG-RAST,paczian/MG-RAST,paczian/MG-RAST,MG-RAST/MG-RAST,MG-RAST/MG-RAST,paczian/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST,paczian/MG-RAST,teharrison/MG-RAST,paczian/MG-RAST,paczian/MG-RAST,MG-RAST/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST