diff --git a/README b/README
index a57ad01..c8baad6 100644
--- a/README
+++ b/README
@@ -46,7 +46,8 @@ Files:
     rept_irpc.c     stream2 subclass for processing .REPT and .IREPT.
     object.c        Functions for writing RSX-11 compatible .OBJ files.
     mlb-rsx.c       Classes (!) for reading RSX-11 macro libraries.
-    mlb.c           Classes (!) for reading RT-11 macro libraries.
+    mlb-rt11.c      Classes (!) for reading RT-11 macro libraries.
+    mlb2.c          Glue functions for macro libraries in general.
     stream2.c       Functions for managing input streams and buffers.
     rad50.c         Functions for converting text to and from RAD50.
     util.c          A few general utility fuctions.
diff --git a/mlb2.c b/mlb2.c
index 3f4c25f..9d58953 100644
--- a/mlb2.c
+++ b/mlb2.c
@@ -1,3 +1,36 @@
+/*
+Copyright (c) 2017, Olaf Seibert
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+o Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+
+o Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+
+o Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.
+*/
+
 #include <stdlib.h>
 #include <string.h>
 #include "util.h"