Update comments in .env.docker.example

Clarified comments regarding TRUSTED_PROXY and TRUST_PROXIES settings.

.env.docker.example

@@ -36,15 +36,15 @@ SESSION_DOMAIN=null # Keep as null unless required for sharing session cookies w
 
 # TRUSTED_PROXY (Required)
 # Read by the serversideup FrankenPHP image.
-#   cloudflare (default) - trust Cloudflare ranges (CF-Connecting-IP) + Docker networks
+#   local (default)      - trust only private/Docker network ranges (X-Forwarded-For)
+#   cloudflare           - trust Cloudflare ranges (CF-Connecting-IP) + Docker networks
 #   sucuri               - trust Sucuri WAF ranges (X-Forwarded-For) + Docker networks
-#   local                - trust only private/Docker network ranges (X-Forwarded-For)
 #   off                  - disable trusted proxy handling
 TRUSTED_PROXY="local"
 
 # Trusted Proxies (Don't touch)
-# TRUST_PROXIES is read by Laravel's TrustProxies middleware. The serversideup
-# web server (Caddy) already validates the proxy before the request reaches PHP.
+# TRUST_PROXIES is read by Laravel's TrustProxies middleware. The serversideup web server (Caddy) 
+# already validates the proxy before the request reaches PHP via the TRUSTED_PROXY value.
 TRUST_PROXIES="*"
 
 # Database Configuration