diff --git a/csug/copyright.stex b/csug/copyright.stex
index 8592f6edb4..de160eb21c 100644
--- a/csug/copyright.stex
+++ b/csug/copyright.stex
@@ -1,4 +1,4 @@
-% Copyright 2005-2017 Cisco Systems, Inc.
+% Copyright 2005-2018 Cisco Systems, Inc.
 % 
 % Licensed under the Apache License, Version 2.0 (the "License");
 % you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@
 
 \centerline{}\vfill
 
-\textbf{\copyright~2005--2017 Cisco Systems, Inc.}
+\textbf{\copyright~2005--2018 Cisco Systems, Inc.}
 
 Licensed under the Apache License Version 2.0\\
 http://www.apache.org/licenses/LICENSE-2.0
diff --git a/csug/csug.stex b/csug/csug.stex
index 9e3836d38b..39800fc021 100644
--- a/csug/csug.stex
+++ b/csug/csug.stex
@@ -1,4 +1,4 @@
-% Copyright 2005-2017 Cisco Systems, Inc.
+% Copyright 2005-2018 Cisco Systems, Inc.
 % 
 % Licensed under the Apache License, Version 2.0 (the "License");
 % you may not use this file except in compliance with the License.
@@ -60,7 +60,7 @@
 \def\copyrightnotice{\raw{<hr class=copyright align=left>
 <p>
 <a class=plain href="index.html">Chez Scheme Version 9 User's Guide</a><br>
-Copyright &copy; 2017 Cisco Systems, Inc.<br>
+Copyright &copy; 2018 Cisco Systems, Inc.<br>
 Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License Version 2.0</a>
 (<a class=plain href="canned/copyright.html">full copyright notice.</a>).</br>
 Revised} \revisiondate\raw{ for Chez Scheme Version 9.5.1<br>
diff --git a/csug/foreign.stex b/csug/foreign.stex
index 348f05d96f..42fe062775 100644
--- a/csug/foreign.stex
+++ b/csug/foreign.stex
@@ -1,4 +1,4 @@
-% Copyright 2005-2017 Cisco Systems, Inc.
+% Copyright 2005-2018 Cisco Systems, Inc.
 % 
 % Licensed under the Apache License, Version 2.0 (the "License");
 % you may not use this file except in compliance with the License.
@@ -3682,9 +3682,6 @@ char* get_error(void) {
 ;;; socket.ss
 
 ;;; Requires csocket.so, built from csocket.c.
-;;; Example compilation command line from macOS:
-;;;  cc -c csocket.c -o csocket.o
-;;;  cc csocket.o -dynamic -dynamiclib -current_version 1.0 -compatibility_version 1.0 -o csocket.so
 (load-shared-object "./csocket.so")
 
 ;;; Requires from C library:
diff --git a/csug/io.stex b/csug/io.stex
index aa2f9df31a..f0d9c4400e 100644
--- a/csug/io.stex
+++ b/csug/io.stex
@@ -1,4 +1,4 @@
-% Copyright 2005-2017 Cisco Systems, Inc.
+% Copyright 2005-2018 Cisco Systems, Inc.
 % 
 % Licensed under the Apache License, Version 2.0 (the "License");
 % you may not use this file except in compliance with the License.
diff --git a/csug/system.stex b/csug/system.stex
index 05dd601523..84df092d9e 100644
--- a/csug/system.stex
+++ b/csug/system.stex
@@ -1,4 +1,4 @@
-% Copyright 2005-2017 Cisco Systems, Inc.
+% Copyright 2005-2018 Cisco Systems, Inc.
 %
 % Licensed under the Apache License, Version 2.0 (the "License");
 % you may not use this file except in compliance with the License.
diff --git a/csug/use.stex b/csug/use.stex
index 3ea4783a55..d1255a78e7 100644
--- a/csug/use.stex
+++ b/csug/use.stex
@@ -1,4 +1,4 @@
-% Copyright 2005-2017 Cisco Systems, Inc.
+% Copyright 2005-2018 Cisco Systems, Inc.
 % 
 % Licensed under the Apache License, Version 2.0 (the "License");
 % you may not use this file except in compliance with the License.