Assorted spelling fixes.

diff --git a/dlls/shell32/shellfolder.h b/dlls/shell32/shellfolder.h
index 44ad4ae..7ffc4f7 100644
--- a/dlls/shell32/shellfolder.h
+++ b/dlls/shell32/shellfolder.h
@@ -1,5 +1,5 @@
 /*
- * defines helperfunctions to manipulate the contents of a IShellFolder
+ * Defines helper functions to manipulate the contents of an IShellFolder
  *
  * Copyright 2000 Juergen Schmied
  *