spelling

www/tutorial/nscommands.html

@@ -102,7 +102,7 @@ tb-set-lan-loss $lan0 .02
 
 <p>Links can also be named just like nodes and lans.  The names can
 then be used to set loss rates or IP addresses.  This technique is the
-only way to set such attributes when their are multiple links between
+only way to set such attributes when there are multiple links between
 two nodes.
 
 <pre>