Update out-of-operation warning

doc.zih.tu-dresden.de/docs/data_transfer/overview.md

@@ -15,7 +15,7 @@ copy data to/from ZIH systems. Please follow the link to the documentation on
 !!! warning "Note"
 
     The former **export nodes** are still available as long as the outdated filesystems (`scratch`,
-    etc.) are accessible. Their end of life is considered for May 2024.
+    `ssd`, etc.) are accessible. Their operation will end on January 3rd, 2024.
 
 ## Data Transfer Inside ZIH Systems: Datamover