diff --git a/docs/about-dns.md b/docs/about-dns.md
index 9b2c2787f2..a87629dfe0 100644
--- a/docs/about-dns.md
+++ b/docs/about-dns.md
@@ -40,8 +40,8 @@ static constexpr struct WFGlobalSettings GLOBAL_SETTING_DEFAULT =
     .endpoint_params    =    ENDPOINT_PARAMS_DEFAULT,
     .dns_ttl_default    =    12 * 3600,  /* in seconds */
     .dns_ttl_min        =    180,        /* reacquire when communication error */
-    .dns_threads        =    8,
-    .poller_threads     =    2,
+    .dns_threads        =    4,
+    .poller_threads     =    4,
     .handler_threads    =    20,
     .compute_threads    =    -1
 };