posts: Fix random things

_posts/2023-08-28-new-release.md

@@ -47,14 +47,15 @@ rustdoc-args = ["--cfg", "docsrs"]
 features = []
 ```
 
-## gtk-rs-core
 
-## #Switch to bitflags 2.0
+## Switch to bitflags 2.0
 
 With this release we switched to version 2 of the  [bitflags](https://crates.io/crates/bitflags) crate. While we regularly update our dependencies to the latest version, this is of particular note since flag types are often used in glib and GTK API.
 
 We also re-export `bitflags` and `once_cell` from the `glib` crate so you can use them without directly depending on them.
 
+## gtk-rs-core
+
 ### New `glib::derived_properties` macro
 
 With the `glib::Properties` derive macro added in the last release, you still had to write these blanket functions manually