Update README.md

Author: swhitty

README.md

@@ -69,7 +69,7 @@ await server.appendHandler(for: "/hello") { request in
 
 Incoming requests are routed to the first handler with a matching route.
 
-Handlers can throw `HTTPUnhandledError` if after inspecting the request, they cannot handle it, the next matched handler is then used.
+Handlers can throw `HTTPUnhandledError` if after inspecting the request, they cannot handle it.  The next matched handler is then used.
 
 Unhandled requests receive `HTTP 404`.