Fix Oracle link.

README.md

@@ -2,15 +2,15 @@
 [![GitHub Actions](https://github.com/uhafner/codingstyle-pom/workflows/GitHub%20CI/badge.svg)](https://github.com/uhafner/codingstyle-pom/actions)
 [![License: MIT](https://img.shields.io/badge/license-MIT-yellow.svg)](https://en.wikipedia.org/wiki/MIT_License)
 
-Each Java project should follow a given coding style. I.e., all contributions to the source code should use the same 
-formatting rules, design principles, code patterns, idioms, etc. I published such a coding style in my 
-[GitHub project 'codingstyle'](https://github.com/uhafner/codingstyle). I am using this coding style in my lectures about 
-software development at Munich University of Applied Sciences and in all of my open source projects.  
+Each Java project should follow a given coding style. 
+I.e., all contributions to the source code should use the same formatting rules, design principles, code patterns, idioms, etc. 
+I published such a coding style in my [GitHub project 'codingstyle'](https://github.com/uhafner/codingstyle). 
+I am using this coding style in my lectures about software development at Munich University of Applied Sciences and in all of my open source projects.  
 
-If you want to use this coding style as well you can use this [Maven POM](pom.xml) as parent of you own POM. Then you
-get the configuration of the following tools for free:
+If you want to use this coding style as well, you can use this [Maven POM](pom.xml) as parent of your own POM. 
+Then you get the configuration of the following tools for free:
 - [Java Compiler](https://openjdk.java.net/groups/compiler/)
-- [JavaDoc Tool](https://www.oracle.com/technetwork/java/javase/documentation/javadoc-137458.html)
+- [Javadoc Tool](https://www.oracle.com/java/technologies/javase/javadoc.html)
 - [Checkstyle](https://checkstyle.org)
 - [PMD](https://pmd.github.io/)
 - [SpotBugs](https://spotbugs.github.io)