diff --git a/core-java-modules/core-java-datetime-string/README.md b/core-java-modules/core-java-datetime-string/README.md
index 74bdee6ca7..442c0d1ab2 100644
--- a/core-java-modules/core-java-datetime-string/README.md
+++ b/core-java-modules/core-java-datetime-string/README.md
@@ -4,7 +4,7 @@ This module contains articles about parsing and formatting Java date and time ob
 
 ### Relevant Articles: 
 - [Check If a String Is a Valid Date in Java](https://www.baeldung.com/java-string-valid-date)
-- [RegEx for matching Date Pattern in Java](http://www.baeldung.com/java-date-regular-expressions)
+- [Regex for Matching Date Pattern in Java](https://www.baeldung.com/java-date-regular-expressions)
 - [Guide to DateTimeFormatter](https://www.baeldung.com/java-datetimeformatter)
 - [Format ZonedDateTime to String](https://www.baeldung.com/java-format-zoned-datetime-string)
 - [A Guide to SimpleDateFormat](https://www.baeldung.com/java-simple-date-format)