diff --git a/config/example-administration.yml b/config/example-administration.yml
index e5cfd02e..bbfab887 100644
--- a/config/example-administration.yml
+++ b/config/example-administration.yml
@@ -8,6 +8,9 @@
 #
 #  This file should be called 'administration.yml' in the config directory.
 #
+#  Make sure field-separating whitespace does not contain any ^I (tab)
+#  characters. The YAML parser will trip over them ungracefully.
+#
 
 ##
 ## The database username for connecting with sufficient rights to create