diff --git a/share/sgml/trademarks.ent b/share/sgml/trademarks.ent
index 10e77575b6..8fd4cab670 100644
--- a/share/sgml/trademarks.ent
+++ b/share/sgml/trademarks.ent
@@ -79,7 +79,7 @@
 <!-- http://www.checkpoint.com/copyright.html -->
 <!ENTITY tm-attrib.check-point "<para>Check Point, Firewall-1, and
   VPN-1 are trademarks of Check Point Software Technologies
-  Ltd..</para>">
+  Ltd.</para>">
 
 <!ENTITY tm-attrib.cisco "<para>Cisco, Catalyst, and IOS are
   registered trademarks of Cisco Systems, Inc. and/or its affiliates
@@ -344,7 +344,7 @@
 <!ENTITY matlab "<trademark class='registered'>MATLAB</trademark>">
 
 <!ENTITY tm-attrib.thomson "<para>SpeedTouch is a trademark of
-  Thomson</para>">
+  Thomson.</para>">
 <!ENTITY speedtouch "<trademark>SpeedTouch</trademark>">
 
 <!-- http://www.transmeta.com/about/legal.html -->