diff --git a/ha-programming-python.org b/ha-programming-python.org
index 6ef95c8..0f35ec4 100644
--- a/ha-programming-python.org
+++ b/ha-programming-python.org
@@ -33,8 +33,9 @@ While Emacs supplies a Python editing environment, we’ll still use =use-packag
 #+begin_src emacs-lisp
   (use-package python
     :after flycheck
-    :mode ("[./]flake8\\'" . conf-mode)
-    :mode ("/Pipfile\\'" . conf-mode)
+    :mode (((rx ".flake8" eol) . conf-mode)
+           ((rx "Pipfile" eol) . conf-mode)
+           ((rx ".wsgi" eol)   . python-mode))
     :init
     (setq python-indent-guess-indent-offset-verbose nil
           flycheck-flake8-maximum-line-length 120)
diff --git a/ha-programming.org b/ha-programming.org
index b2ae4d0..6f7a7d7 100644
--- a/ha-programming.org
+++ b/ha-programming.org
@@ -138,10 +138,10 @@ I appreciate calling =hi-lock-face-symbol-at-point= (or =highlight-symbol-at-poi
     :config
     (setq ahs-idle-interval 0.1)
 
-    (set-face-attribute ahs-face nil :foreground nil :background nil
+    (set-face-attribute ahs-face nil :foreground 'unspecified :background 'unspecified
                         :weight 'ultra-bold :slant 'italic)
-    (set-face-attribute ahs-plugin-default-face nil :foreground nil
-                        :background nil :weight 'bold :slant 'normal))
+    (set-face-attribute ahs-plugin-default-face nil :foreground 'unspecified
+                        :background 'unspecified :weight 'bold :slant 'normal))
 #+end_src
 
 Instead of calling =global-auto-highlight-symbol-mode=, we should just hook it to the =prog-mode=:
@@ -370,7 +370,7 @@ Normally, you would need to  add all the projects to directory clones in =~/src=
   https://github.com/tree-sitter/tree-sitter-go
   https://github.com/tree-sitter/tree-sitter-javascript
   https://github.com/tree-sitter/tree-sitter-templ
-  https://github.com/ikatyang/tree-sitter-yaml
+  https://github.com/tree-sitter-grammars/tree-sitter-yaml
   https://github.com/tree-sitter/tree-sitter-json
   https://github.com/tree-sitter/tree-sitter-css
   https://github.com/tree-sitter/tree-sitter-python
@@ -422,7 +422,7 @@ In most cases,the =npm install= /usually/ works, but I may work on some sort of
 #+end_src
 At this point, we can now parse stuff using: =tree-sitter parse <source-code-file>=
 **** Emacs Part
-However, Emacs already has the ability to download and install grammars, so following instructions from Mickey Petersen’s essay on [[https://www.masteringemacs.org/article/combobulate-structured-movement-editing-treesitter][using Tree-sitter with Combobulate]]:
+Note that Emacs already has the ability to download and install grammars, so following instructions from Mickey Petersen’s essay on [[https://www.masteringemacs.org/article/combobulate-structured-movement-editing-treesitter][using Tree-sitter with Combobulate]]:
 #+begin_src emacs-lisp
   (when (treesit-available-p)
     (use-package treesit
@@ -460,7 +460,7 @@ However, Emacs already has the ability to download and install grammars, so foll
               (toml       "https://github.com/tree-sitter/tree-sitter-toml")
               ;; (tsx        "https://github.com/tree-sitter/tree-sitter-typescript" "master" "tsx/src")
               ;; (typescript "https://github.com/tree-sitter/tree-sitter-typescript" "master" "typescript/src")
-              (yaml       "https://github.com/ikatyang/tree-sitter-yaml")))
+              (yaml       "https://github.com/tree-sitter-grammars/tree-sitter-yaml")))
 
       (defun mp-setup-install-grammars ()
         "Install Tree-sitter grammars if they are absent."
diff --git a/ha-remoting.org b/ha-remoting.org
index 61bc287..41c78a1 100644
--- a/ha-remoting.org
+++ b/ha-remoting.org
@@ -50,16 +50,19 @@ Will Schenk has [[https://willschenk.com/articles/2020/tramp_tricks/][a simple e
                         (tramp-remote-shell-args ("-i") ("-c"))))
           tramp-methods)
 
-    (defadvice tramp-completion-handle-file-name-all-completions
-        (around dotemacs-completion-docker activate)
-      "(tramp-completion-handle-file-name-all-completions \"\" \"/docker:\" returns
-      a list of active Docker container names, followed by colons."
-      (if (equal (ad-get-arg 1) "/docker:")
+    (defun ha-tramp-completion-docker (orig-fun &rest args)
+      "Advice for `tramp-completion-handle-file-name-all-completions`.
+  Return active Docker container names when completing for `/docker:`."
+      (if (equal (nth 1 args) "/docker:")
           (let* ((command "docker ps --format '{{.Names}}:'")
                  (dockernames-raw (shell-command-to-string command))
-                 (dockernames (split-string dockernames-raw "\n")))
-            (setq ad-return-value dockernames))
-        ad-do-it)))
+                 (dockernames (split-string dockernames-raw "\n" t)))
+            dockernames)
+        ;; Call the original function
+        (apply orig-fun args)))
+
+    (advice-add 'tramp-completion-handle-file-name-all-completions
+                :around #'ha-tramp-completion-docker)
 #+end_src
 
 Keep in mind you need to /name/ your Docker session, with the =—name= option. I actually do more docker work on remote systems (as Docker seems to make my fans levitate my laptop over the desk). Granted, the =URL= is a bit lengthy, for instance: