[gnome-sudoku] Help: minor fix on print-blank-puzzles.page

[Rafael Fontenelle <rafaelff src gnome org>]

commit dcff33dc979e0aa811026d8ac5dded57c5475b45
Author: Rafael Fontenelle <rffontenelle gmail com>
Date:   Tue Aug 7 13:43:40 2018 +0000

    Help: minor fix on print-blank-puzzles.page

 help/C/print-blank-puzzles.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/help/C/print-blank-puzzles.page b/help/C/print-blank-puzzles.page
index d0c5172..0f55ddf 100644
--- a/help/C/print-blank-puzzles.page
+++ b/help/C/print-blank-puzzles.page
@@ -29,7 +29,7 @@ To print one or more blank puzzles:
  <item><p>Click <gui>Sudoku</gui> in the top bar and then select <gui>Print</gui>.</p></item>
  <item><p>Click <gui>Print Multiple Puzzles…</gui>.</p></item>
  <item><p>Select the total number of sudokus to print from the drop down menu.</p></item>
- <item><p>Select difficult level of the games you would like to print.</p></item>
+ <item><p>Select the difficulty level of the games you would like to print.</p></item>
  <item><p>Click <gui>Print</gui>.</p></item>
  </steps>