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 4bec8db256..69ade3e25a 100644
--- a/core-java-modules/core-java-lang-oop-constructors/README.md
+++ b/core-java-modules/core-java-lang-oop-constructors/README.md
@@ -7,3 +7,4 @@ This module contains article about constructors in Java
 - [Java Copy Constructor](https://www.baeldung.com/java-copy-constructor)
 - [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)
diff --git a/core-java-modules/core-java-string-operations-3/README.md b/core-java-modules/core-java-string-operations-3/README.md
index ad4ada3a68..ff6ac51fab 100644
--- a/core-java-modules/core-java-string-operations-3/README.md
+++ b/core-java-modules/core-java-string-operations-3/README.md
@@ -4,3 +4,4 @@
 - [Java (String) or .toString()?](https://www.baeldung.com/java-string-casting-vs-tostring)
 - [Split Java String by Newline](https://www.baeldung.com/java-string-split-by-newline)
 - [Split a String in Java and Keep the Delimiters](https://www.baeldung.com/java-split-string-keep-delimiters)
+- [Validate String as Filename in Java](https://www.baeldung.com/java-validate-filename)
diff --git a/persistence-modules/spring-data-arangodb/README.md b/persistence-modules/spring-data-arangodb/README.md
index 632d9a256e..29057ece04 100644
--- a/persistence-modules/spring-data-arangodb/README.md
+++ b/persistence-modules/spring-data-arangodb/README.md
@@ -4,3 +4,5 @@
 
 
 ### Relevant Articles:
+
+- [Spring Data with ArangoDB](https://www.baeldung.com/spring-data-arangodb)
diff --git a/spring-security-modules/spring-security-core/README.md b/spring-security-modules/spring-security-core/README.md
index 9f8e4dda53..f9c6d2e5fb 100644
--- a/spring-security-modules/spring-security-core/README.md
+++ b/spring-security-modules/spring-security-core/README.md
@@ -10,6 +10,7 @@ This module contains articles about core Spring Security
 - [Deny Access on Missing @PreAuthorize to Spring Controller Methods](https://www.baeldung.com/spring-deny-access)
 - [Spring Security: Check If a User Has a Role in Java](https://www.baeldung.com/spring-security-check-user-role)
 - [Filtering Jackson JSON Output Based on Spring Security Role](https://www.baeldung.com/spring-security-role-filter-json)
+- [Spring @EnableWebSecurity vs. @EnableGlobalMethodSecurity](https://www.baeldung.com/spring-enablewebsecurity-vs-enableglobalmethodsecurity)
 
 ### Build the Project