diff --git a/doc/shadowsocks-libev.asciidoc b/doc/shadowsocks-libev.asciidoc
index 528b2c5a..c3d9df84 100644
--- a/doc/shadowsocks-libev.asciidoc
+++ b/doc/shadowsocks-libev.asciidoc
@@ -56,7 +56,7 @@ Not available in manager mode.
 -m <encrypt_method>::
 Set the cipher.
 +
-*Shadowsocks-libev* accepts 18 different ciphers:
+*Shadowsocks-libev* accepts 19 different ciphers:
 +
 aes-128-gcm, aes-192-gcm, aes-256-gcm,
 rc4-md5, aes-128-cfb, aes-192-cfb, aes-256-cfb,
diff --git a/doc/ss-local.asciidoc b/doc/ss-local.asciidoc
index bc247497..46ce8c82 100644
--- a/doc/ss-local.asciidoc
+++ b/doc/ss-local.asciidoc
@@ -51,7 +51,7 @@ Set the key directly. The key should be encoded with URL-safe Base64.
 -m <encrypt_method>::
 Set the cipher.
 +
-*Shadowsocks-libev* accepts 18 different ciphers:
+*Shadowsocks-libev* accepts 19 different ciphers:
 +
 aes-128-gcm, aes-192-gcm, aes-256-gcm,
 rc4-md5, aes-128-cfb, aes-192-cfb, aes-256-cfb,
diff --git a/doc/ss-manager.asciidoc b/doc/ss-manager.asciidoc
index c2d02672..0c127570 100644
--- a/doc/ss-manager.asciidoc
+++ b/doc/ss-manager.asciidoc
@@ -43,7 +43,7 @@ Set the password. The server and the client should use the same password.
 -m <encrypt_method>::
 Set the cipher.
 +
-*Shadowsocks-libev* accepts 18 different ciphers:
+*Shadowsocks-libev* accepts 19 different ciphers:
 +
 aes-128-gcm, aes-192-gcm, aes-256-gcm,
 rc4-md5, aes-128-cfb, aes-192-cfb, aes-256-cfb,
diff --git a/doc/ss-redir.asciidoc b/doc/ss-redir.asciidoc
index df931148..56fe1839 100644
--- a/doc/ss-redir.asciidoc
+++ b/doc/ss-redir.asciidoc
@@ -50,7 +50,7 @@ Set the key directly. The key should be encoded with URL-safe Base64.
 -m <encrypt_method>::
 Set the cipher.
 +
-*Shadowsocks-libev* accepts 18 different ciphers:
+*Shadowsocks-libev* accepts 19 different ciphers:
 +
 aes-128-gcm, aes-192-gcm, aes-256-gcm,
 rc4-md5, aes-128-cfb, aes-192-cfb, aes-256-cfb,
diff --git a/doc/ss-server.asciidoc b/doc/ss-server.asciidoc
index 528fd113..d06cd191 100644
--- a/doc/ss-server.asciidoc
+++ b/doc/ss-server.asciidoc
@@ -48,7 +48,7 @@ Set the key directly. The key should be encoded with URL-safe Base64.
 -m <encrypt_method>::
 Set the cipher.
 +
-*Shadowsocks-libev* accepts 18 different ciphers:
+*Shadowsocks-libev* accepts 19 different ciphers:
 +
 aes-128-gcm, aes-192-gcm, aes-256-gcm,
 rc4-md5, aes-128-cfb, aes-192-cfb, aes-256-cfb,
diff --git a/doc/ss-tunnel.asciidoc b/doc/ss-tunnel.asciidoc
index dc626a72..26fabafb 100644
--- a/doc/ss-tunnel.asciidoc
+++ b/doc/ss-tunnel.asciidoc
@@ -50,7 +50,7 @@ Set the key directly. The key should be encoded with URL-safe Base64.
 -m <encrypt_method>::
 Set the cipher.
 +
-*Shadowsocks-libev* accepts 18 different ciphers:
+*Shadowsocks-libev* accepts 19 different ciphers:
 +
 aes-128-gcm, aes-192-gcm, aes-256-gcm,
 rc4-md5, aes-128-cfb, aes-192-cfb, aes-256-cfb,