[gnome-sudoku] Specify "Difficulty" explicitly in the title

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 7729e8f36792de6b37093a937255d50189f73734
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Jun 2 22:10:12 2014 -0500

    Specify "Difficulty" explicitly in the title

 src/sudoku-solver.vala |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/sudoku-solver.vala b/src/sudoku-solver.vala
index d149db3..03d025d 100644
--- a/src/sudoku-solver.vala
+++ b/src/sudoku-solver.vala
@@ -739,13 +739,13 @@ public enum DifficultyCatagory {
         switch (this)
         {
             case EASY:
-                return _("Easy");
+                return _("Easy Difficulty");
             case MEDIUM:
-                return _("Medium");
+                return _("Medium Difficulty");
             case HARD:
-                return _("Hard");
+                return _("Hard Difficulty");
             case VERY_HARD:
-                return _("Very Hard");
+                return _("Very Hard Difficulty");
             default:
                 return _("Undefined");
         }