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-rw-r--r--app/wordfreqCMD.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/app/wordfreqCMD.py b/app/wordfreqCMD.py
index e45cf78..9ee7e56 100644
--- a/app/wordfreqCMD.py
+++ b/app/wordfreqCMD.py
@@ -1,3 +1,8 @@
+###########################################################################
+# Copyright 2019 (C) Hui Lan <hui.lan@cantab.net>
+# Written permission must be obtained from the author for commercial uses.
+###########################################################################
+
import collections
import string
import operator