diff --git a/README.md b/README.md
index c8bdb41..8a56752 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,30 @@
 # Simple Certificate Authority
 
 This is just a simplified CLI for OpenSSL to make it easier to issue self signed certificates.
+
+`ca help`
+```
+USAGE
+  ca help
+  ca <COMMAND> help
+  ca <COMMAND> <SUBCOMMAND> help
+
+COMMANDS
+  init            Generate root key and root certificate
+  key             Manage private keys
+  request         Manage certificate requests
+  certificate     Manage certificates
+```
+
+`ca certificate help`
+```
+USAGE
+  ca certificate help
+  ca certificate <COMMAND> help
+
+COMMANDS
+  list            List all certificates
+  get             Get certificate content
+  create          Create a new certificate
+  delete          Delete existing certificate
+```