diff --git a/readme.md b/readme.md
index 46e76d8..59798c3 100644
--- a/readme.md
+++ b/readme.md
@@ -5,26 +5,26 @@ from various contexts of CA, CI and OCI / OS.
 
 ## Features
 
-* [X] CA certificates
+* Certification Authority certificates
   * [X] custom
   * [X] known
-* [ ] Continuous Integration platforms
+* Continuous Integration platforms
   * [X] ForgeJo
   * [X] Gitea
   * [X] GitHub
   * [X] GitLab
   * [ ] SourceHut
-* [X] Operating Systems
+* Operating Systems
   * [X] Alma → Python 3.11
     * [X] 8
     * [X] 9
   * [X] Alpine → Python 3.11
     * [X] 3.18
     * [X] 3.19
-  * [ ] Arch → Python 3.12
+  * [X] Arch → Python 3.12
     * [ ] 20231112
     * [X] 20240101
-  * [ ] Debian
+  * [X] Debian
     * [ ] Bullseye (11) → Python 3.9
     * [X] Bookworm (12) → Python 3.11
   * [X] Fedora → Python 3.12
@@ -85,6 +85,7 @@ from various contexts of CA, CI and OCI / OS.
   * pip
     * ruff
   * rsync
+  * shfmt
 * lint
   * .py
   * .sh