Change command for convenient way to get root ca crt

docs/certificate-authority.md

@@ -13,17 +13,14 @@
 - Convenient Way - Note that this does not verify the root CA once downloaded.
 	1. Install `curl` and `jq`
 		```bash
-		sudo apt install -y curl jq
-		``
+		sudo apt install -y curl
+		```
 	2. Fetch+Install Root CA
 		```bash
-		curl -k https://ca.9net/root/17444b93edcf24609a95074b68b640cbb408884199e60424e3b39ddc03c23b1f | \
-			jq -r .ca | \
+		curl -k https://docs.p.9net/9net_root.crt \
 			sudo tee /usr/local/share/ca-certificates/9net.crt
 		```
 	3. Run `sudo update-ca-certificates`
-
-
 ## Requesting a certificate via ACME
 Note: These instructions use the `step` CLI. Make sure you have the root CA installed as above. Also, to make renewals easier, I'd recommend having one certificate for all domains on a single machine (fairly easy with multiple `--san` parameteres)
 1. Configure your webserver however you need to for webroot cert verification