diff --git a/README.md b/README.md
index 1aa6660..21a49a0 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,33 @@ CGO_ENABLED=1 GOOS=linux GOARCH=amd64 CC="zig cc -target x86_64-linux" CXX="zig
 ```
 
 
+`external-signer-pkcs11 external_spec`
+
+```json
+{
+  "success": true,
+  "agent": "external-signer-pkc11/0.1.0",
+  "specification": "External/1.0.0-alpha"
+}
+```
+
+
+`external-signer-pkcs11 external_public_key --parameter "ewogICJsaWJyYXJ5IjogIi91c3IvbG9jYWwvbGliL2xpYnlrY3MxMS5keWxpYiIsCiAgInRva2VuX2xhYmVsIjogIll1YmlLZXkgUElWICM1MDEwMjIwIiwKIC
+AicGluIjogIiIsCiAgImtleV9sYWJlbCI6ICJQcml2YXRlIGtleSBmb3IgUElWIEF1dGhlbnRpY2F0aW9uIgp9Cg=="`
+
+```json
+{
+  "success": true,
+  "public_key_base64": "MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE8XMmwYi50M/+3dj/k18k8gdLvvEorFsEucrAXeln312/0GVpjc47jB9FG7mhWTrOEzYLvEnFH1ITd3/Yc5Mu+kR2O/zBx2SxIqiol3vLPgrQmdZS5j2xxaG9oCEgoW3F"
+}
+```
+
+`external-signer-pkcs11 external_sign --parameter "ewogICJsaWJyYXJ5IjogIi91c3IvbG9jYWwvbGliL2xpYnlrY3MxMS5keWxpYiIsCiAgInRva2VuX2xhYmVsIjogIll1YmlLZXkgUElWICM1MD
+EwMjIwIiwKICAicGluIjogIiIsCiAgImtleV9sYWJlbCI6ICJQcml2YXRlIGtleSBmb3IgUElWIEF1dGhlbnRpY2F0aW9uIgp9Cg==" --message-base64 "$(echo aaaa |base64)" --alg ES256`
+
+```json
+{
+  "success": true,
+  "signature_base64": "MGUCMHiHNZ8cx5hNZNPQCfBEiX93go5YEr/6zvNXlcpoRP2bvc6Zmn8s6Taq1KhRQc0ChgIxAO3Qqo+XViaDauaGM+TyBF3Y2pJ6ojL/m24ftzyvtaIvG7CnAaao2l2oLyCpyTehJg=="
+}
+```
\ No newline at end of file
diff --git a/main.go b/main.go
index 228aad0..8ffb79c 100644
--- a/main.go
+++ b/main.go
@@ -63,8 +63,6 @@ func printResponseSlient(response any) {
 	}
 }
 
-// Parameter sample:
-// "ewogICJsaWJyYXJ5IjogIi91c3IvbG9jYWwvbGliL2xpYnlrY3MxMS5keWxpYiIsCiAgInRva2VuX2xhYmVsIjogIll1YmlLZXkgUElWICM1MDEwMjIwIiwKICAicGluIjogIiIsCiAgImtleV9sYWJlbCI6ICJQcml2YXRlIGtleSBmb3IgUElWIEF1dGhlbnRpY2F0aW9uIgp9Cg=="
 func main() {
 	err := innerMain()
 	if err != nil {