diff -r 369903afbb29 -r f7433671fec5 src/main/java/de/uapcore/sudoku/DocumentHandler.java
--- a/src/main/java/de/uapcore/sudoku/DocumentHandler.java	Sat Jul 25 15:29:51 2020 +0200
+++ b/src/main/java/de/uapcore/sudoku/DocumentHandler.java	Sat Jul 25 15:56:48 2020 +0200
@@ -31,7 +31,7 @@
 import java.util.regex.Pattern;
 
 /**
- *
+ * Implements load and save routines.
  */
 public class DocumentHandler {