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+++ b/jbigtopnm.html
@@ -2,7 +2,7 @@
 <html><head><title>Jbigtopnm User Manual</title></head>
 <body>
 <h1>jbigtopnm</h1>
-Updated: 29 September 2018
+Updated: 28 July 2020
 <br>
 <a href="#index">Table Of Contents</a>
 
@@ -116,9 +116,8 @@ package</a>.  The <b>jbgtopbm</b> program is part of the
 
 <h2 id="license">LICENSE</h2>
 
-If you use <b>jbigtopnm</b>, you are using various patents,
-particularly on its arithmetic encoding method, and in all probability
-you do not have a license from the patent owners to do so.
+<p>There was at one time concern about the need for patent licenses to
+use <b>jbigtopnm</b>, but any relevant patents expired by 2012.
 
 <hr>
 <h2 id="index">Table Of Contents</h2>