diff --git a/apache-poi/README.md b/apache-poi/README.md
index d19af8d6ef..13d62eeba0 100644
--- a/apache-poi/README.md
+++ b/apache-poi/README.md
@@ -13,3 +13,4 @@ This module contains articles about Apache POI
 - [Setting Formulas in Excel with Apache POI](https://www.baeldung.com/java-apache-poi-set-formulas)
 - [Insert a Row in Excel Using Apache POI](https://www.baeldung.com/apache-poi-insert-excel-row)
 - [Multiline Text in Excel Cell Using Apache POI](https://www.baeldung.com/apache-poi-write-multiline-text)
+- [Set Background Color of a Cell with Apache POI](https://www.baeldung.com/apache-poi-background-color)
diff --git a/core-java-modules/core-java-lang-oop-constructors/README.md b/core-java-modules/core-java-lang-oop-constructors/README.md
index 69ade3e25a..d3d05d31bf 100644
--- a/core-java-modules/core-java-lang-oop-constructors/README.md
+++ b/core-java-modules/core-java-lang-oop-constructors/README.md
@@ -8,3 +8,4 @@ This module contains article about constructors in Java
 - [Cannot Reference “X” Before Supertype Constructor Has Been Called](https://www.baeldung.com/java-cannot-reference-x-before-supertype-constructor-error)
 - [Private Constructors in Java](https://www.baeldung.com/java-private-constructors)
 - [Throwing Exceptions in Constructors](https://www.baeldung.com/java-constructors-exceptions)
+- [Constructors in Java Abstract Classes](https://www.baeldung.com/java-abstract-classes-constructors)
diff --git a/core-java-modules/core-java-string-operations-4/README.md b/core-java-modules/core-java-string-operations-4/README.md
index 88d562204b..304f604c5e 100644
--- a/core-java-modules/core-java-string-operations-4/README.md
+++ b/core-java-modules/core-java-string-operations-4/README.md
@@ -1,3 +1,4 @@
 ### Relevant Articles:
 
+- [Ignoring Commas in Quotes When Splitting a Comma-separated String](https://www.baeldung.com/java-split-string-commas)
 
diff --git a/spring-5-webflux/README.md b/spring-5-webflux/README.md
index bd667468fb..889f211fc6 100644
--- a/spring-5-webflux/README.md
+++ b/spring-5-webflux/README.md
@@ -11,3 +11,4 @@ This module contains articles about Spring 5 WebFlux
 - [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)
+- [Spring Webflux and @Cacheable Annotation](https://www.baeldung.com/spring-webflux-cacheable)
diff --git a/spring-boot-modules/spring-boot-basic-customization-2/README.md b/spring-boot-modules/spring-boot-basic-customization-2/README.md
index f041c1d38a..0e688bda2a 100644
--- a/spring-boot-modules/spring-boot-basic-customization-2/README.md
+++ b/spring-boot-modules/spring-boot-basic-customization-2/README.md
@@ -5,4 +5,5 @@ This module contains articles about Spring Boot customization 2
 ### Relevant Articles:
 
  - [DispatcherServlet and web.xml in Spring Boot](https://www.baeldung.com/spring-boot-dispatcherservlet-web-xml)
- - [XML Defined Beans in Spring Boot](https://www.baeldung.com/spring-boot-xml-beans)
\ No newline at end of file
+ - [XML Defined Beans in Spring Boot](https://www.baeldung.com/spring-boot-xml-beans)
+ - [What Is OncePerRequestFilter?](https://www.baeldung.com/spring-onceperrequestfilter)
diff --git a/testing-modules/testing-assertions/README.md b/testing-modules/testing-assertions/README.md
index ea238af599..bf35505211 100644
--- a/testing-modules/testing-assertions/README.md
+++ b/testing-modules/testing-assertions/README.md
@@ -2,3 +2,4 @@
 
 - [Asserting Log Messages With JUnit](https://www.baeldung.com/junit-asserting-logs)
 - [Assert Two Lists for Equality Ignoring Order in Java](https://www.baeldung.com/java-assert-lists-equality-ignore-order)
+- [Assert That a Java Optional Has a Certain Value](https://www.baeldung.com/java-optional-assert-value)
diff --git a/xml/README.md b/xml/README.md
index 367a0334f6..16942c6836 100644
--- a/xml/README.md
+++ b/xml/README.md
@@ -12,3 +12,4 @@ This module contains articles about eXtensible Markup Language (XML)
 - [Convert XML to HTML in Java](https://www.baeldung.com/java-convert-xml-to-html)
 - [Parsing an XML File Using StAX](https://www.baeldung.com/java-stax)
 - [Parsing an XML File Using SAX Parser](https://www.baeldung.com/java-sax-parser)
+- [Remove HTML Tags Using Java](https://www.baeldung.com/java-remove-html-tags)