Clarify that the removed timeout changes nothing at runtime

No-Verification-Needed: doc-only wording change

Author: maxisbey

docs/migration.md

@@ -1956,7 +1956,7 @@ Forward the `iss` query parameter from the redirect so the validation can run: o
 
 ### `timeout` parameter removed from `OAuthClientProvider`
 
-`OAuthClientProvider` (and the deprecated `RFC7523OAuthClientProvider`) no longer accept a `timeout` argument, and `OAuthContext.timeout` is gone. The value was stored but never read, so it never bounded anything — removing it changes no behavior.
+`OAuthClientProvider` (and the deprecated `RFC7523OAuthClientProvider`) no longer accept a `timeout` argument, and `OAuthContext.timeout` is gone. The value was stored but never read, so it never bounded anything — removing it changes nothing at runtime.
 
 **Before (v1):**