Fix typo in getting started instructions
Fix typo in getting started instructions

Change-Id: I1f50466aab2121bdf7e5b32a3b55aa218580d166

manolo/components,manolo/components,jforge/components,jforge/components,shahrzadmn/vaadin-grid,shahrzadmn/vaadin-grid,manolo/components,shahrzadmn/vaadin-grid,shahrzadmn/vaadin-grid,jforge/components