diff --git a/appendixa/nettools-desc.xml b/appendixa/nettools-desc.xml
index fe720e514..134f16c57 100644
--- a/appendixa/nettools-desc.xml
+++ b/appendixa/nettools-desc.xml
@@ -58,7 +58,7 @@ routing table.</para></sect4>
 normal terminal line into one of several "network" modes.</para></sect4>
 
 <sect4><title>ypdomainname</title>
-<para>updomainname shows or sets the system's NIS/YP domain
+<para>ypdomainname shows or sets the system's NIS/YP domain
 name.</para></sect4>
 
 </sect3>