Fixed wrong comment

Author: michelvocks

README.rst

@@ -179,8 +179,8 @@ Java
 
         private static Handler MyAwesomeJob = (gaiaArgs) -> {
             LOGGER.info("This output will be streamed back to gaia and will be displayed in the pipeline logs.");
-	    # Just raise an exception to tell Gaia if a job failed.
-            # throw new IllegalArgumentException("Oh no, this job failed!");
+	    // Just raise an exception to tell Gaia if a job failed.
+            // throw new IllegalArgumentException("Oh no, this job failed!");
         };
 
         public static void main( String[] args )