Update README.md

Author: ajlam

samples/tutorials/java/README.md

@@ -1,9 +1,9 @@
 # Developing applications with Java and SQL Server 
 
 Pick a platform below to get started:
-* [macOS](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/java/macos)
-* [RHEL](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/java/rhel)
-* [Ubuntu](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/java/ubuntu)
-* [Windows](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/java/windows)
+* [macOS](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/java/macOS)
+* [RHEL](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/java/RHEL)
+* [Ubuntu](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/java/Ubuntu)
+* [Windows](https://github.com/Microsoft/sql-server-samples/tree/master/samples/tutorials/java/Windows)
 
-Please visit our [getting started tutorials](https://www.microsoft.com/en-us/sql-server/developer-get-started/)
+Please visit our [getting started tutorials](https://www.microsoft.com/en-us/sql-server/developer-get-started/)