README.md in r509-ca-http-0.2.1 vs README.md in r509-ca-http-0.2.2

@@ -53,10 +53,10 @@
 - ca
 - serial
 
 Optional POST parameters:
 
-- reason (must be an integer, if it's not provided it defaults to 0)
+- reason (must be an integer or nil. nil by default)
 
 The revoke method returns the newly generated CRL, after revocation.
 
 ### POST /1/certificate/unrevoke