fix thermoelectric electromagnet case uri

Author: Trophime

toolboxes/modules/thermoelectric/pages/electromagnet/index.adoc

@@ -1,7 +1,7 @@
 = ElectroMagnet
 Romain Hild
 :uri-data: https://raw.githubusercontent.com/feelpp/feelpp/develop/toolboxes/thermoelectric/ElectroMagnets/HL-31_H1
-:uri-data-edit: https://github.com/feelpp/feelpp/edit/develop/toolboxes/thermoelectric/ElectroMagnets/HL-31_H1
+:uri-data-edit: https://github.com/feelpp/feelpp/tree/develop/toolboxes/thermoelectric/cases/ElectroMagnets/HL-31_H1
 :page-vtkjs: true
 :page-tags: case
 :page-illustration: electromagnet/electromagnet.png