add example text (#18340)

Author: ranbel

src/content/partials/cloudflare-one/ssh/modify-sshd.mdx

@@ -16,15 +16,19 @@ The following procedure makes two changes to the `sshd_config` file on the remot
    # PubkeyAuthentication yes
    ```
 
-3. Remove the `#` symbol to uncomment the line; keep the setting `yes` enabled.
+3. Remove the `#` symbol to uncomment the line:
 
-4. Next, add a new line below `PubkeyAuthentication` as follows:
+	   ```txt
+   PubkeyAuthentication yes
+   ```
+
+4. Add a new line below `PubkeyAuthentication`:
 
    ```txt
    TrustedUserCAKeys /etc/ssh/ca.pub
    ```
 
-   Save the file and quit the editor. You might need to use the following command again to save and exit.
+5. Save the file and quit the editor. You might need to use the following command again to save and exit.
 
    ```txt
    :w !sudo tee %

src/content/partials/cloudflare-one/ssh/public-key.mdx

@@ -16,6 +16,10 @@
 
 3. In the `ca.pub` file, paste the public key without any modifications.
 
+	```txt title="ca.pub"
+	ecdsa-sha2-nistp256 <redacted> [email protected]
+	```
+
    The `ca.pub` file can hold multiple keys, listed one per line. Empty lines and comments starting with `#` are also allowed.
 
 4. Save the `ca.pub` file. In some systems, you may need to use the following command to force the file to save depending on your permissions: