Update README

README.md

@@ -14,29 +14,35 @@ $ pip install intel-sgx-ra
 
 ```console
 $ sgx-ra-verify --help
-usage: sgx-ra-verify [-h] [--verbose] [--mrenclave MRENCLAVE] [--mrsigner MRSIGNER] {certificate,quote} ...
+usage: sgx-ra-verify [-h] [--verbose] [--mrenclave HEXDIGEST]
+                     [--mrsigner HEXDIGEST]
+                     (--pccs-url URL | --azure-attestation)
+                     {certificate,quote} ...
 
-Intel SGX DCAP Quote verification
+Intel SGX DCAP quote verification
 
 positional arguments:
   {certificate,quote}   sub-command help
-    certificate         Remote Attestation from X.509 certificate used for RA-TLS
+    certificate         Remote Attestation from RA-TLS X.509 certificate
     quote               Remote Attestation of a raw SGX quote
 
 optional arguments:
   -h, --help            show this help message and exit
   --verbose             Verbose mode
-  --mrenclave MRENCLAVE
+  --mrenclave HEXDIGEST
                         Expected MRENCLAVE value in SGX quote
-  --mrsigner MRSIGNER   Expected MRSIGNER value in SGX quote
+  --mrsigner HEXDIGEST  Expected MRSIGNER value in SGX quote
+  --pccs-url URL        Provisioning Certificate Cache Service URL (Intel
+                        DCAP)
+  --azure-attestation   Microsoft Azure Attestation Service (Azure DCAP)
 $ sgx-ra-utils --help
 usage: sgx-ra-utils [-h] [--verbose] {extract} ...
 
 Intel SGX DCAP Quote tools
 
 positional arguments:
   {extract}   sub-command help
-    extract   Extract Quote from X.509 certificate using RA-TLS
+    extract   Extract Quote from RA-TLS X.509 certificate
 
 optional arguments:
   -h, --help  show this help message and exit