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-rw-r--r--pyasn1/type/constraint.py21
1 files changed, 13 insertions, 8 deletions
diff --git a/pyasn1/type/constraint.py b/pyasn1/type/constraint.py
index 6687393..8e468fd 100644
--- a/pyasn1/type/constraint.py
+++ b/pyasn1/type/constraint.py
@@ -1,15 +1,20 @@
#
-# ASN.1 subtype constraints classes.
+# This file is part of pyasn1 software.
#
-# Constraints are relatively rare, but every ASN1 object
-# is doing checks all the time for whether they have any
-# constraints and whether they are applicable to the object.
+# Copyright (c) 2005-2015, Ilya Etingof <ilya@glas.net>
+# License: http://pyasn1.sf.net/license.html
#
-# What we're going to do is define objects/functions that
-# can be called unconditionally if they are present, and that
-# are simply not present if there are no constraints.
+# ASN.1 subtype constraints classes.
#
-# Original concept and code by Mike C. Fletcher.
+# Constraints are relatively rare, but every ASN1 object
+# is doing checks all the time for whether they have any
+# constraints and whether they are applicable to the object.
+#
+# What we're going to do is define objects/functions that
+# can be called unconditionally if they are present, and that
+# are simply not present if there are no constraints.
+#
+# Original concept and code by Mike C. Fletcher.
#
import sys
from pyasn1.type import error