[clang/AttrDocs] NFC: Update SwiftAttr documentation to reflect that it can now appear on types

Author: xedin

clang/include/clang/Basic/AttrDocs.td

@@ -4372,8 +4372,8 @@ def SwiftAttrDocs : Documentation {
   let Heading = "swift_attr";
   let Content = [{
 The ``swift_attr`` provides a Swift-specific annotation for the declaration
-to which the attribute appertains to. It can be used on any declaration
-in Clang. This kind of annotation is ignored by Clang as it doesn't have any
+or type to which the attribute appertains to. It can be used on any declaration
+or type in Clang. This kind of annotation is ignored by Clang as it doesn't have any
 semantic meaning in languages supported by Clang. The Swift compiler can
 interpret these annotations according to its own rules when importing C or
 Objective-C declarations.