diff --git a/core-java-modules/core-java-arrays-operations-advanced/README.md b/core-java-modules/core-java-arrays-operations-advanced/README.md
index c8ec3e74bc..0e003b5cd9 100644
--- a/core-java-modules/core-java-arrays-operations-advanced/README.md
+++ b/core-java-modules/core-java-arrays-operations-advanced/README.md
@@ -9,3 +9,4 @@ This module contains articles about advanced operations on arrays in Java. They
 - [Find Sum and Average in a Java Array](https://www.baeldung.com/java-array-sum-average)
 - [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection)
 - [Comparing Arrays in Java](https://www.baeldung.com/java-comparing-arrays)
+- [Concatenate Two Arrays in Java](https://www.baeldung.com/java-concatenate-arrays)
diff --git a/spring-5-webflux/README.md b/spring-5-webflux/README.md
index ce540dc50f..bd667468fb 100644
--- a/spring-5-webflux/README.md
+++ b/spring-5-webflux/README.md
@@ -10,3 +10,4 @@ This module contains articles about Spring 5 WebFlux
 - [RSocket Using Spring Boot](https://www.baeldung.com/spring-boot-rsocket)
 - [Spring MVC Async vs Spring WebFlux](https://www.baeldung.com/spring-mvc-async-vs-webflux)
 - [Set a Timeout in Spring 5 Webflux WebClient](https://www.baeldung.com/spring-webflux-timeout)
+- [Guide to Retry in Spring WebFlux](https://www.baeldung.com/spring-webflux-retry)