fix links

topics/fair/tutorials/earth_system_rocrate/slides.html

@@ -42,15 +42,15 @@
 
 ## Run the workflow
 
-Import and run the [Biosynthetic Gene Clusters workflow]({% https://earth-system.usegalaxy.eu/u/marie.josse/w/marine-omics-identifying-biosynthetic-gene-clusters %})
+Import and run the [Biosynthetic Gene Clusters workflow](https://earth-system.usegalaxy.eu/u/marie.josse/w/marine-omics-identifying-biosynthetic-gene-clusters)
 
-To know more on how to do that follow the [tutorial]({% https://training.galaxyproject.org/training-material/topics/ecology/tutorials/marine_omics_bgc/tutorial.html %})
+To know more on how to do that follow the [tutorial]({% link topics/ecology/tutorials/marine_omics_bgc/tutorial.html %})
 ---
 
 
 ## Generate the RO-Crate 
 
-Once you run the workflow you can generate the RO-Crate. To do so follow the [tutorial]({% https://training.galaxyproject.org/training-material/topics/fair/tutorials/ro-crate-in-galaxy/tutorial.html %})
+Once you run the workflow you can generate the RO-Crate. To do so follow the [tutorial]({% link topics/fair/tutorials/ro-crate-in-galaxy/tutorial.html %})
 ---