Add a missing character

TheSilverStone · TheSilverStone · commit afbd550fca9d · 2024-10-09T19:36:26.000+03:00
diff --git a/copyright.txt b/copyright.txt
@@ -8,7 +8,7 @@ Comment: Derived from works by Michael Zahniser and Becca Tommaso (under the sam
 Files:
  images/land/garden0*
 Copyright: Loymdayddaud (https://github.com/TheGiraffe3)
-License: CC-BY-SA 4.0
+License: CC-BY-SA-4.0
 
 Files:
  images/land/mountain32*
