Fix checkstyle errors

spring-webflux/src/main/java/org/springframework/web/reactive/function/server/RequestPredicates.java

@@ -81,7 +81,7 @@ public abstract class RequestPredicates {
 
 	/**
 	 * Return a {@code RequestPredicate} that matches if the request's HTTP method is equal to the
-	 * given method
+	 * given method.
 	 * @param httpMethod the HTTP method to match against
 	 * @return a predicate that tests against the given HTTP method
 	 */

spring-webflux/src/main/java/org/springframework/web/reactive/function/server/RouterFunctions.java

@@ -483,7 +483,7 @@ public abstract class RouterFunctions {
 		 * {@code OrderController.routerFunction()}.
 		 * to the {@code changeUser} method in {@code userController}:
 		 * <pre class="code">
-		 * RouterFunction<ServerResponse> route =
+		 * RouterFunction&lt;ServerResponse&gt; route =
 		 *   RouterFunctions.route()
 		 *   .GET("/users", userController::listUsers)
 		 *   .add(orderController.routerFunction());