Fixed doc typo
Fixed doc typo

Signed-off-by: slinkydeveloper <56fdeb8ec48293e404ca3681b2b8738f930aab75@gmail.com>

vert-x3/vertx-web,aesteve/vertx-web,InfoSec812/vertx-web,InfoSec812/vertx-web,aesteve/vertx-web,aesteve/vertx-web,vert-x3/vertx-web,aesteve/vertx-web,vert-x3/vertx-web,InfoSec812/vertx-web,vert-x3/vertx-web,InfoSec812/vertx-web,InfoSec812/vertx-web,vert-x3/vertx-web,InfoSec812/vertx-web,aesteve/vertx-web