diff --git a/README.md b/README.md
index 67d9117..93cf895 100644
--- a/README.md
+++ b/README.md
@@ -50,9 +50,12 @@ A simple web application to be used as an ssh client to connect to your ssh serv
 ### Server options
 
 ```bash
-# listen address and port
+# start a http server with specified listen address and listen port
 wssh --address='0.0.0.0' --port=8000
 
+# start a https server
+wssh --certfile='cert.crt' --keyfile='cert.key'
+
 # missing host key policy
 wssh --policy=reject
 
diff --git a/README.rst b/README.rst
index 828da44..31e6c00 100644
--- a/README.rst
+++ b/README.rst
@@ -55,9 +55,12 @@ Server options
 
 .. code:: bash
 
-    # listen address and port
+    # start a http server with specified listen address and listen port
     wssh --address='0.0.0.0' --port=8000
 
+    # start a https server
+    wssh --certfile='cert.crt' --keyfile='cert.key'
+
     # missing host key policy
     wssh --policy=reject