Man page typo fix.

man/dnsmasq.8

@@ -1078,7 +1078,7 @@ in a dhcp-optsfile.
 This is equivalent to dhcp-hostsfile, except for the following. The path MUST be a
 directory, and not an individual file. Changed or new files within
 the directory are read automatically, without the need to send SIGHUP.
-If a file is deleted for changed after it has been read by dnsmasq, then the
+If a file is deleted or changed after it has been read by dnsmasq, then the
 host record it contained will remain until dnsmasq receives a SIGHUP, or 
 is restarted; ie host records are only added dynamically.
 .TP