New Project Maven Eclipse Plugin pom.xml error

Hello good afternoon everyone!

Well my first project I created a maven project and I was putting the dependencies, I got some errors and managed to take over … one that persists is that refers to the servlet (left in red color below), I’m using Java 7 Tomcat 7 and the Vaadin 7.3.4

com.vaadin vaadin-themes ${vaadin.version} [color=#FF0000] javax.servlet servlet-api 3.0.1 provided [/color] com.vaadin.addon jpacontainer 3.1.1 org.vaadin.addon confirmdialog 2.1.1

I configured something wrong? the project has nothing’re still at the beginning what I have configured wrong.