update docs

docs/30_Configuration/50_File_dirs.job.md

@@ -78,6 +78,21 @@ because of a wrong exclude pattern.
 
 `exclude = /tmp/.*`
 
+# Hints for MS Windows #
+
+To define folders to backup you should not use the bash unix like notation with forward slash eg. `/c/your/path`.
+There seems to be a bug in restic to show snapshots on MS Windows written with /.
+https://github.com/restic/restic/issues/2397
+
+Use the backslash - and quote it, eg:
+
+```txt
+include = c:\\backup
+include = c:\\inetpub
+include = c:\\scripts
+include = c:\\Users
+```
+
 ## TODO: custom single dirs with includes and exludes ##
 
 TODO.