patch 9.1.0105: Style: typos found

Problem:  Style: typos found
Solution: correct them
          (zeertzjq)

closes: #14023

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_vim9_class.vim b/src/testdir/test_vim9_class.vim
index 62a6d04..0bf7e9c 100644
--- a/src/testdir/test_vim9_class.vim
+++ b/src/testdir/test_vim9_class.vim
@@ -67,7 +67,7 @@
   END
   v9.CheckSourceFailure(lines, "E488: Trailing characters: | echo 'done'", 3)
 
-  # Use old "this." prefixed member variable declaration syntax (without intialization)
+  # Use old "this." prefixed member variable declaration syntax (without initialization)
   lines =<< trim END
     vim9script
     class Something
@@ -76,7 +76,7 @@
   END
   v9.CheckSourceFailure(lines, 'E1318: Not a valid command in a class: this.count: number', 3)
 
-  # Use old "this." prefixed member variable declaration syntax (with intialization)
+  # Use old "this." prefixed member variable declaration syntax (with initialization)
   lines =<< trim END
     vim9script
     class Something