2nd try for triple backticks

storage/data_transfer.markdown

@@ -84,7 +84,8 @@ lftp sftp://dphysuser@login.phys.ethz.ch -e 'mirror --verbose --parallel=3 --use
 Use an additional rsync run to fix permissions after the data transfer with lftp:
 
 ```
-rsync -av --size-only --delete --inplace -v \ dphysuser@login.phys.ethz.ch:/path/to/remote/folder/ \
+rsync -av --size-only --delete --inplace -v \
+dphysuser@login.phys.ethz.ch:/path/to/remote/folder/ \\
 /path/to/local/folder/
 ```