[LB ]Updates session affinity support (#21117)

* Updates session affinity support

* Update src/content/docs/load-balancing/understand-basics/session-affinity.mdx

Co-authored-by: Pedro Sousa <[email protected]>

---------

Co-authored-by: Pedro Sousa <[email protected]>

Author: angelampcosta

src/content/docs/load-balancing/understand-basics/session-affinity.mdx

@@ -59,7 +59,7 @@ If you enable Session Affinity, choose one of the following options:
 :::caution[Important]
 
 
-Session Affinity by Cloudflare cookie and Client IP fallback is not supported for load balancers in [DNS-only mode (gray cloud)](/load-balancing/understand-basics/proxy-modes/).
+Session Affinity is not supported in [DNS-only mode (gray cloud)](/load-balancing/understand-basics/proxy-modes/).
 
 
 :::

src/content/partials/load-balancing/dns-load-balancing-limitations.mdx

@@ -9,5 +9,5 @@ In comparison to proxied, layer 7 load balancing, DNS-only load balancing:
 * Performs slower failover and less accurate routing, because it has to rely on DNS resolvers and cache settings.
 * Cannot integrate with other Cloudflare features such as caching, Workers, and the WAF.
 * Increases authoritative queries against Cloudflare, which can potentially cost more for customers with usage-based billing.
-* Supports standard [session affinity](/load-balancing/understand-basics/session-affinity/).
+* Does not support [session affinity](/load-balancing/understand-basics/session-affinity/).
 * Geo-locates traffic based on the data center associated with the ECS source address, if available. If not available, geo-locates based on a user's recursive resolver, which can sometimes cause issues with [latency-based steering](/load-balancing/understand-basics/traffic-steering/steering-policies/dynamic-steering/).