fix typo

USAGE.md

@@ -49,14 +49,14 @@ Do not use invalid DNS characters (no underscores, no spaces, no special other t
 It is possible, but not recommended, where this can a short non-FQDN name, that is, just a hostname.  In this case, the DHCP options domain will be used,
 if it exists, or a different zone will be used based on the `boc:dns:zone` flag.
 
-If the `Name` tag is missing, the IP address wil be used to construct the name in the form of `ip-X-X-X-X`.
+If the `Name` tag is missing, the IP address will be used to construct the name in the form of `ip-X-X-X-X`.
 
 Examples:
 * Name = cio-001-web.dev.csp1.census.gov
   yields DNS of: cio-001-web.dev.csp1.census.gov
 * Name = myhost
   yields DNS of: myhost.{dhcp_domain_name} (if such a zone exists, or what was specified in `boc:dns:zone`)
-* Name = 
+* Name = (empty)
   yields DNS of: ip-X-X-X-X.{dhcp_domain_name}
 
 ### `boc:dns:name`