docs: Including comment on suite parameter for clarity
docs: Including comment on suite parameter for clarity

robrich/karma-junit-reporter,thescientist13/karma-junit-reporter,janeklb/karma-junit-reporter,existentialism/karma-junit-reporter,mozimos/karma-junit-reporter,darksmile/karma-junit-reporter,adriaanthomas/karma-junit-reporter,karma-runner/karma-junit-reporter,budde377/karma-junit-reporter,patrot/karma-junit-test-spec-formatter,tux4/karma-junit-reporter,alexander-alvarez/karma-junit-reporter,sethmcl/karma-junit-reporter,patrot/karma-junit-reporter