diff --git a/docs/config.yaml b/docs/config.yaml
index b59e7413..090e2736 100644
--- a/docs/config.yaml
+++ b/docs/config.yaml
@@ -558,7 +558,7 @@ proxies: # socks5
       acknodelay: false # flush ack immediately when a packet is received
       nodelay: 0
       interval: 50
-      resend: false
+      resend: 0
       sockbuf: 4194304 # per-socket buffer in bytes
       smuxver: 1 # specify smux version, available 1,2
       smuxbuf: 4194304 # the overall de-mux buffer in bytes
@@ -1385,7 +1385,7 @@ listeners:
     #   acknodelay: false # flush ack immediately when a packet is received
     #   nodelay: 0
     #   interval: 50
-    #   resend: false
+    #   resend: 0
     #   sockbuf: 4194304 # per-socket buffer in bytes
     #   smuxver: 1 # specify smux version, available 1,2
     #   smuxbuf: 4194304 # the overall de-mux buffer in bytes