chore(docs): fix linter errors (#2103)

Author: alexandre-daubois

docs/logging.md

@@ -59,7 +59,7 @@ these messages are routed to the Caddy logger.
 By default, messages sent via `error_log()` are treated as unstructured text.
 They are useful for compatibility with existing applications or libraries that rely on the standard PHP library.
 
-### Example
+### Example with error_log()
 
 ```php
 error_log("Database connection failed", 4);

docs/wordpress.md

@@ -7,9 +7,11 @@ Run [WordPress](https://wordpress.org/) with FrankenPHP to enjoy a modern, high-
 1. [Download WordPress](https://wordpress.org/download/)
 2. Extract the ZIP archive and open a terminal in the extracted directory
 3. Run:
+
    ```console
    frankenphp php-server
    ```
+
 4. Go to `http://localhost/wp-admin/` and follow the installation instructions
 5. Enjoy!