Update swift/extractor/infra/SwiftDispatcher.h

Co-authored-by: Jeroen Ketema <93738568+jketema@users.noreply.github.com>

Author: redsun82

swift/extractor/infra/SwiftDispatcher.h

@@ -265,7 +265,7 @@ class SwiftDispatcher {
   bool fetchLabelFromUnionCase(const llvm::PointerUnion<Ts...> u, TrapLabel<Tag>& output) {
     // we rely on the fact that when we extract `ASTNode` instances (which only happens
     // on `BraceStmt` elements), we cannot encounter a standalone `TypeRepr` there, so we skip
-    // this case, which would be problematic as we would not be able to provide the corresponding
+    // this case; extracting `TypeRepr`s here would be problematic as we would not be able to provide the corresponding
     // type
     if constexpr (!std::is_same_v<T, swift::TypeRepr*>) {
       if (auto e = u.template dyn_cast<T>()) {