Index: head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
+++ head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
@@ -2284,7 +2284,7 @@
 
     <para>Many cellphones provide the option to share their data
       connection over USB (often called "tethering").  This feature
-      uses either the <acronym>RNDIS</acronym>, <acronym>CDC</acronym>
+      uses one of <acronym>RNDIS</acronym>, <acronym>CDC</acronym>,
       or a custom &apple; &iphone;/&ipad;
       protocol.</para>