-One line is one task. Indented lines are subtasks of the "parent" line.
+One line is one task. tab-indented lines (with the real tab character)
+are subtasks of the "parent" line.
+If this trick is not working, it is probably because the variable PATH
+does not contains /usr/local/bin in crontab. You might want to set it
+manually. See 'man 5 crontab'.