typo

.github/ISSUE_TEMPLATE/validation_problem.md

@@ -13,7 +13,7 @@ in the program are pretty high. Therefor we ask that you first please check the
 FAQ/guide at https://www.win-acme.com/manual/validation-problems.
 
 If - and only if - you still believe that your validation issue is caused by a bug you can open 
-an issue here, supported by the approrite evidence (e.g. logs, screenshots). 
+an issue here, supported by the appropriate evidence (e.g. logs, screenshots). 
 
 Otherwise please first ask for help at https://github.com/win-acme/win-acme/discussions or 
 the appropriate support channel at your ACME service provider.