diff --git a/modules/libcom/src/osi/epicsReadlinePvt.h b/modules/libcom/src/osi/epicsReadlinePvt.h
index 4bfab39bf..df3eb91d2 100644
--- a/modules/libcom/src/osi/epicsReadlinePvt.h
+++ b/modules/libcom/src/osi/epicsReadlinePvt.h
@@ -1,3 +1,11 @@
+/*************************************************************************\
+* Copyright (c) 2002 The University of Saskatchewan
+* Copyright (c) 2015 UChicago Argonne LLC, as Operator of Argonne
+*     National Laboratory.
+* SPDX-License-Identifier: EPICS
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
 #ifndef EPICSREADLINEPVT_H
 #define EPICSREADLINEPVT_H