1 files changed, 5 insertions, 0 deletions
diff --git a/cli.txt b/cli.txt
index c81be0d..c4d9674 100644
--- a/cli.txt
+++ b/cli.txt
@@ -16,3 +16,8 @@ Options:
   -F, --data-file=DATA-FILE        Print the contents of the named data file.
   -l, --list-control               List the control files.
   -L, --list-data                  List the data files.
+
+-f and -l are mutually exclusive
+-F and -L are mutually exclusive
+-f, -F, -l, and -L are invalid with -b
+-d is only valid with -b