Refine wording

Author: maxvp

src/content/docs/cloudflare-one/connections/connect-devices/agentless/pac-files.mdx

@@ -300,7 +300,7 @@ Using your proxy endpoint's domain, you can get the IP addresses assigned to the
 
 </Tabs>
 
-For additional security, you can allowlist the static Cloudflare IPv4 address for proxy endpoints, `162.159.193.21`.
+To ensure responses are allowed through your firewall, add an inbound rule to allow the static IPv4 address for Cloudflare proxy endpoints, `162.159.193.21`.
 
 ## Limitations