Move header include path to rust/cxx.h
diff --git a/gen/write.rs b/gen/write.rs
index 601f7ef..9ab98fa 100644
--- a/gen/write.rs
+++ b/gen/write.rs
@@ -126,7 +126,7 @@
     out.begin_block("inline namespace cxxbridge01");
 
     if needs_rust_box || needs_manually_drop || needs_maybe_uninit {
-        writeln!(out, "// #include \"cxxbridge.h\"");
+        writeln!(out, "// #include \"rust/cxx.h\"");
     }
 
     if needs_rust_box {