Conform hook names to conventions

Also minor reformatting & comment corrections.

modules/feature/lookup/autoload/lookup.el

@@ -28,7 +28,7 @@ properties:
 Using this multiple times overwrites previous properties and unsets omitted
 ones."
   (dolist (mode (doom-enlist modes))
-    (let ((def-name (intern (format "+lookup--init-%s" mode))))
+    (let ((def-name (intern (format "+lookup|init-%s" mode))))
       (fset def-name
             (lambda ()
               (when (or (eq major-mode mode)

modules/feature/snippets/autoload/settings.el

@@ -5,7 +5,7 @@
   "Register a minor MODE with yasnippet so it can have its own snippets
 category, if the folder exists."
   (after! yasnippet
-    (let ((fn (intern (format "+snippets--register-%s" mode))))
+    (let ((fn (intern (format "+snippets|register-%s" mode))))
       (fset fn (lambda () (+snippets|enable-project-modes mode)))
       (add-hook (intern (format "%s-hook" mode)) fn))))