diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-522.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-522.mdx
index 08421d7e555910c..b5d88a07556d55c 100644
--- a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-522.mdx
+++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-522.mdx
@@ -12,7 +12,7 @@ Error `522` occurs when Cloudflare times out contacting the origin web server.
 
 Two different timeouts cause HTTP error `522` depending on when they occur between Cloudflare and the origin web server:
 
-- Before a connection is established, the origin web server does not return a SYN+ACK to Cloudflare within 19 seconds of Cloudflare sending a SYN.
+- Before a connection is established, the origin web server does not return a SYN+ACK to Cloudflare within 19 seconds of Cloudflare sending a SYN. (the SYN retry backoff scheme is 1,1,1,1,1,2,4,8)
 - After a connection is established, the origin web server does not acknowledge (ACK) Cloudflare's resource request within 90 seconds.
 
 ### Resolution