Update ROADMAP.md

Signed-off-by: Hartanto Ario Widjaya <tanto259@users.noreply.github.com>
Signed-off-by: Hartanto Ario Widjaya <13640520+tanto259@users.noreply.github.com>

Author: tanto259

ROADMAP.md

@@ -1,6 +1,6 @@
 # Roadmap
 
-These roadmap lists out the possible and planned future contents for the COBOL Programming Course. If you are interested in contributing content, please review our [contribution guidelines](https://github.com/openmainframeproject/cobol-programming-course/blob/master/CONTRIBUTING.md).
+This roadmap lists out the possible and planned future contents for the COBOL Programming Course. If you are interested in contributing content, please review our [contribution guidelines](https://github.com/openmainframeproject/cobol-programming-course/blob/master/CONTRIBUTING.md).
 
 ## In-Progress Future Contents
 
@@ -17,4 +17,4 @@ These roadmap lists out the possible and planned future contents for the COBOL P
 - COBOL Dynamic Link Libraries
 - Communication with Java Methods
 - Debugging and Testing
-- Processing JSON and XML
+- Processing JSON and XML