diff --git a/core-java-modules/core-java-httpclient/README.md b/core-java-modules/core-java-httpclient/README.md
index 24ff7d9941..712328a123 100644
--- a/core-java-modules/core-java-httpclient/README.md
+++ b/core-java-modules/core-java-httpclient/README.md
@@ -3,4 +3,4 @@
 This module contains articles about Java HttpClient
 
 ### Relevant articles
-- TODO
+- [Posting with Java HttpClient](https://www.baeldung.com/java-httpclient-post)
diff --git a/java-numbers-4/README.md b/java-numbers-4/README.md
index c18a5ebe6f..2a77992c8f 100644
--- a/java-numbers-4/README.md
+++ b/java-numbers-4/README.md
@@ -8,3 +8,4 @@
 - [Convert Byte Size Into a Human-Readable Format in Java](https://www.baeldung.com/java-human-readable-byte-size)
 - [Convert boolean to int in Java](https://www.baeldung.com/java-boolean-to-int)
 - [Generate a Random Value From an Enum](https://www.baeldung.com/java-enum-random-value)
+- [Reverse a Number in Java](https://www.baeldung.com/java-reverse-number)