Fix changelog formatting

doc/changelog.asciidoc

@@ -22,19 +22,19 @@ Major changes
 ~~~~~~~~~~~~~
 
 - Quick checklist for packagers:
-  - Ensure you're providing at least Python 3.6.1
-  - Ensure you're providing at least Qt 5.12 and PyQt 5.12
-  - Add a new optional dependency on the Python `adblock` library (if packaged -
+  * Ensure you're providing at least Python 3.6.1
+  * Ensure you're providing at least Qt 5.12 and PyQt 5.12
+  * Add a new optional dependency on the Python `adblock` library (if packaged -
     if not, consider packaging it, albeit optional it's very useful for users)
-  - Remove the `cssutils` optional dependency (if present)
-  - Remove the `attrs` (`attr`) dependency
-  - Move the `pygments` dependency from required to optional
-  - TODO: Move the `setuptools` dependency from runtime (for `pkg_resources`) to
+  * Remove the `cssutils` optional dependency (if present)
+  * Remove the `attrs` (`attr`) dependency
+  * Move the `pygments` dependency from required to optional
+  * TODO: Move the `setuptools` dependency from runtime (for `pkg_resources`) to
     build-time.
-  - For Python 3.6, 3.7 or 3.8, add a dependency on the `importlib_resources`
+  * For Python 3.6, 3.7 or 3.8, add a dependency on the `importlib_resources`
     backport.
-  - For Python 3.6 only, add a dependency on the `dataclasses` backport.
-  - TODO complete?
+  * For Python 3.6 only, add a dependency on the `dataclasses` backport.
+  * TODO complete?
 - At least Python 3.6.1 is now required to run qutebrowser, support for Python
   3.5 (and 3.6.0) is dropped. Note that Python 3.5 is
   https://www.python.org/downloads/release/python-3510/[no longer supported
@@ -101,10 +101,10 @@ Added
   the desktop filename passed to Qt (which is used to set the `app_id` on
   Wayland).
 - New userscripts:
-  - `kodi` to play videos in Kodi
-  - `qr` to generate a QR code of the current URL
-  - `add-nextcloud-bookmarks` to create bookmarks in Nextcloud's Bookmarks app
-  - `add-nextcloud-cookbook` to add recipes to Nextcloud's Cookbook app
+  * `kodi` to play videos in Kodi
+  * `qr` to generate a QR code of the current URL
+  * `add-nextcloud-bookmarks` to create bookmarks in Nextcloud's Bookmarks app
+  * `add-nextcloud-cookbook` to add recipes to Nextcloud's Cookbook app
 
 Changed
 ~~~~~~~