In the case where the SwissTopo's data are wrong (example of the river that is displayed on the top of the bridge), user should be able to suggest a modification that will be applied to everybody (to avoid the need of draw the correction on every plans).
In the case where the SwissTopo's data are wrong (example of the river that is displayed on the top of the bridge), user should be able to suggest a modification that will be applied to everybody (to avoid the need of draw the correction on every plans).