Index: handbook/x11/chapter.xml
===================================================================
--- handbook/x11/chapter.xml
+++ handbook/x11/chapter.xml
@@ -142,8 +142,8 @@
 	<term>window manager</term>
 
 	<listitem>
-	  <para>X does not dictate what windows should look like on
-	    screen, how to move them around with the mouse, which
+	  <para>X does not dictate what windows should look like
+	    on-screen, how to move them around with the mouse, which
 	    keystrokes should be used to move between windows, what
 	    the title bars on each window should look like, whether or
 	    not they have close buttons on them, and so on.  Instead,