diff --git a/README.md b/README.md
index 4256f96..599ef29 100644
--- a/README.md
+++ b/README.md
@@ -121,7 +121,7 @@ Custom font family usage example:
 
 Support passing arguments by url (query or fragment) like following examples:
 
-Passing form data (password must be encoded in base64)
+Passing form data (password must be encoded in base64, privatekey not supported)
 ```bash
 http://localhost:8888/?hostname=xx&username=yy&password=str_base64_encoded
 ```
@@ -141,7 +141,7 @@ Passing an encoding
 http://localhost:8888/#encoding=gbk
 ```
 
-Passing a command
+Passing a command executed right after login
 ```bash
 http://localhost:8888/?command=pwd
 ```
@@ -160,6 +160,11 @@ docker-compose down
 
 ### Tests
 
+Requirements
+```
+pip install pytest pytest-cov codecov flake8 mock
+```
+
 Use unittest to run all tests
 ```
 python -m unittest discover tests
diff --git a/README.rst b/README.rst
index 04d36b3..22a928c 100644
--- a/README.rst
+++ b/README.rst
@@ -130,7 +130,8 @@ URL Arguments
 Support passing arguments by url (query or fragment) like following
 examples:
 
-Passing form data (password must be encoded in base64)
+Passing form data (password must be encoded in base64, privatekey not
+supported)
 
 .. code:: bash
 
@@ -154,7 +155,7 @@ Passing an encoding
 
     http://localhost:8888/#encoding=gbk
 
-Passing a command
+Passing a command executed right after login
 
 .. code:: bash
 
@@ -178,6 +179,12 @@ Tear down the app
 Tests
 ~~~~~
 
+Requirements
+
+::
+
+    pip install pytest pytest-cov codecov flake8 mock
+
 Use unittest to run all tests
 
 ::