Update index.mdx (#18259)

Co-authored-by: Max Phillips <[email protected]>

Author: cdisher

src/content/docs/cloudflare-one/connections/connect-devices/user-side-certificates/index.mdx

@@ -39,7 +39,7 @@ Each Zero Trust account can generate a new root certificate a maximum of three t
 ## Activate a root certificate
 
 :::note
-Zero Trust accounts using the Cloudflare certificate prior to September 2024 will need to redeploy and activate the newly generated certificate. Zero Trust accounts created during or after September 2024 will use an active certificate by default.
+Zero Trust accounts using the Cloudflare certificate prior to 2024-10-17 will need to redeploy and activate the newly generated certificate. Zero Trust accounts created during or after 2024-10-17 will use an active certificate by default.
 :::
 
 Once a certificate is generated in or uploaded to Zero Trust, you need to activate it. Activating a certificate deploys it across the Cloudflare network. You can have up to 25 active certificates at once.