diff --git a/README.md b/README.md
index 781d927..1dfb8f9 100644
--- a/README.md
+++ b/README.md
@@ -87,7 +87,7 @@ and then visit [localhost:3000](http://localhost:3000/), we should see a directo
     with $ md-tmpl -w README.md -->
 
 <!--tmpl,code=plain:echo "$ chisel --help" && go run main.go --help | sed 's#0.0.0-src (go1\..*)#X.Y.Z#' -->
-``` plain 
+``` plain
 $ chisel --help
 
   Usage: chisel [command] [--help]
@@ -106,7 +106,7 @@ $ chisel --help
 
 
 <!--tmpl,code=plain:echo "$ chisel server --help" && go run main.go server --help | cat | sed 's#0.0.0-src (go1\..*)#X.Y.Z#' -->
-``` plain 
+``` plain
 $ chisel server --help
 
   Usage: chisel server [options]
@@ -175,10 +175,13 @@ $ chisel server --help
     provide a certificate notification email by setting CHISEL_LE_EMAIL.
 
     --tls-ca, a path to a PEM encoded CA certificate bundle or a directory
-    holding multiple PEM encode CA certificate bundle files, which is used to 
-    validate client connections. The provided CA certificates will be used 
-    instead of the system roots. This is commonly used to implement mutual-TLS. 
+    holding multiple PEM encode CA certificate bundle files, which is used to
+    validate client connections. The provided CA certificates will be used
+    instead of the system roots. This is commonly used to implement mutual-TLS.
 
+    --ldap-config, a path to a file containing the ldap authentication
+		configuration.
+    
     --pid Generate pid file in current working directory
 
     -v, Enable verbose logging
@@ -201,7 +204,7 @@ $ chisel server --help
 
 
 <!--tmpl,code=plain:echo "$ chisel client --help" && go run main.go client --help | sed 's#0.0.0-src (go1\..*)#X.Y.Z#' -->
-``` plain 
+``` plain
 $ chisel client --help
 
   Usage: chisel client [options] <server> <remote> [remote] [remote] ...
@@ -256,7 +259,7 @@ $ chisel client --help
     client's internal SOCKS5 proxy.
 
     When stdio is used as local-host, the tunnel will connect standard
-    input/output of this program with the remote. This is useful when 
+    input/output of this program with the remote. This is useful when
     combined with ssh ProxyCommand. You can use
       ssh -o ProxyCommand='chisel client chiselserver stdio:%h:%p' \
           user@example.com
@@ -312,11 +315,11 @@ $ chisel client --help
     may be still verified (see --fingerprint) after inner connection
     is established.
 
-    --tls-key, a path to a PEM encoded private key used for client 
+    --tls-key, a path to a PEM encoded private key used for client
     authentication (mutual-TLS).
 
-    --tls-cert, a path to a PEM encoded certificate matching the provided 
-    private key. The certificate must have client authentication 
+    --tls-cert, a path to a PEM encoded certificate matching the provided
+    private key. The certificate must have client authentication
     enabled (mutual-TLS).
 
     --pid Generate pid file in current working directory