diff --git a/start-jupyter b/start-jupyter
index cac4dafbed511ef54da07a96965c34ad9632b642..1123dd7b7223caff0bd0a3f327303e4e73384d1d 100755
--- a/start-jupyter
+++ b/start-jupyter
@@ -43,6 +43,7 @@
 #
 # In case of problems contact Mathis Rosenhauer <rosenhauer@dkrz.de>.
 #
+# 2020, Oct. 7, S. Bendoukha, added support for singularity containers.
 
 set -eufo pipefail