small doc improvement
small doc improvement

gopherjs/gopherjs,jargv/gopherjs,Yanjing123/gopherjs,rasata/gopherjs,Yanjing123/gopherjs,nmfzone/gopherjs,Yanjing123/gopherjs,gopherjs/gopherjs,albrow/gopherjs,albrow/gopherjs,jeremyschlatter/gopherjs,ebroder/gopherjs,Archs/gopherjs,rasata/gopherjs,jargv/gopherjs,nmfzone/gopherjs,govlas/gopherjs,flimzy/gopherjs,jeremyschlatter/gopherjs,albrow/gopherjs,gopherjs/gopherjs,ebroder/gopherjs,govlas/gopherjs,bpowers/gopherjs,nmfzone/gopherjs,jargv/gopherjs,rasata/gopherjs,govlas/gopherjs,flimzy/gopherjs,jeremyschlatter/gopherjs,flimzy/gopherjs,roth1002/gopherjs,Archs/gopherjs,roth1002/gopherjs,bpowers/gopherjs,gopherjs/gopherjs,Archs/gopherjs,ebroder/gopherjs,bpowers/gopherjs,roth1002/gopherjs,gopherjs/gopherjs