Update connection-limits.mdx (#28157)

Clarifying proxy_read_timeout configuration API is for Enterprise zones only

Co-authored-by: Denise Peña <75506267+dcpena@users.noreply.github.com>

Author: simon-says

src/content/docs/fundamentals/reference/connection-limits.mdx

@@ -28,7 +28,7 @@ If you are using [Cloudflare tunnels](/cloudflare-one/networks/connectors/cloudf
 | <GlossaryTooltip term="ACK (Acknowledge)">TCP ACK</GlossaryTooltip> Timeout               | 90              | [522](/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-522/)                | No                                                                             |
 | <GlossaryTooltip term="TCP Keep-Alive">TCP Keep-Alive</GlossaryTooltip> Interval          | 30              | [520](/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/)                | No                                                                             |
 | <GlossaryTooltip term="idle connection">Proxy Idle</GlossaryTooltip> Timeout              | 900             | [520](/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/)                | No                                                                             |
-| <GlossaryTooltip term="proxy read timeout">Proxy Read Timeout</GlossaryTooltip>           | 120             | [524](/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-524/)                | <GlossaryTooltip term="proxy read timeout config">Yes</GlossaryTooltip>        |
+| <GlossaryTooltip term="proxy read timeout">Proxy Read Timeout</GlossaryTooltip>           | 120             | [524](/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-524/)                | [Yes, for Enterprise zones](/api/resources/zones/subresources/settings/methods/edit/)                       |
 | <GlossaryTooltip term="proxy write timeout">Proxy Write Timeout</GlossaryTooltip>         | 30              | [524](/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-524/)                | No                                                                             |
 | HTTP/2 Pings to Origin                                                                    | Off             | -                                                                                                                                      | Yes                                                                            |
 | <GlossaryTooltip term="idle connection">HTTP/2 Connection Idle</GlossaryTooltip>          | 900             | No                                                                                                                                     | No                                                                             |