Add to docs.json and small tweaks

docs.json

@@ -90,7 +90,9 @@
                             "self-host/quick-install-managed",
                             {
                                 "group": "Manual Installation",
-                "pages": ["self-host/manual/managed"]
+                                "pages": [
+                                    "self-host/manual/managed"
+                                ]
                             },
                             "self-host/choosing-a-vps",
                             "self-host/how-to-update"
@@ -127,6 +129,7 @@
                                 "group": "Community Guides",
                                 "pages": [
                                     "self-host/community-guides/overview",
+                                    "self-host/community-guides/proxyprotocol",
                                     "self-host/community-guides/geoblock",
                                     "self-host/community-guides/crowdsec",
                                     "self-host/community-guides/metrics",

self-host/community-guides/proxyprotocol.mdx

@@ -1,5 +1,5 @@
 ---
-title: "Proxy Protocol (Advanced)"
+title: "Proxy Protocol"
 description: "Using Proxy Protocol to Preserve Client IPs for TCP/UDP backends"
 ---
 
@@ -92,7 +92,7 @@ Follow this down further until you reach the service line — `43-service` in th
       },
 ```
 
-Make a note of the address there.
+Make a note of the address there. Keep in mind that _this address will change if you update the site on the target or change information about the target like the port or IP address or delete the target._
 
 ---