diff --git a/README.md b/README.md
index 38a9960..ba4cb3c 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 Making SSL-Certificates
 =======================
 
-Creates keys and certificate requests via openssl.
+Creates keys and certificate requests via gnutls.
 It tries to keep files, if there exist. But if you change one file,
 files which depend on it, will be recreated by this program.
 
@@ -11,8 +11,9 @@ Install
 Dependencies
 ------------
 
-You need GNU-make and openssl. sslmake is a Makefile, so you really need make!
+You need GNU-make and gnutls-bin. sslmake is a Makefile, so you really need make!
 
+	apt install make gnutls-bin
 
 Install
 -------
@@ -21,18 +22,22 @@ First clone this git-repository. Or download only sslmake.
 
 YOu only need to copy it to a directory, which found in your $PATH.
 
-	install --owner root --group root --mode 0755 -t /usr/local/bin sslmake
+	install --owner root --group root --mode 0755 -t /usr/local/bin sslmake-gnutls
+
+or simple:
+
+	make install
 
 But it's possible to run sslmake local, so, you do not need any install.
 
-	./sslmake exmaple.cnf
+	./sslmake exmaple.csr
 
 
 Howto
 =====
 
 All files will be replaced, if files which it depends on, are newer.
-For example, if you create the `example.key`, and you run `sslmake example.csr`,
+For example, if you create the `host.example.net.key`, and you run `sslmake host.example.net.csr`,
 your CSR will be replaced be a new. But if your CSR is newer than the KEY,
 it will not replace your CSR.
 
@@ -44,23 +49,27 @@ Renewing and removing will follow in 'Second Use'.
 
 * Create the config:
 
-		sslmake example.cnf
+		cat > host.example.net.cfg <<EOF
+		cn = host.example.net
+		dns_name = host.example.net
+		dns_name = additional.example.net.cfg
+		tls_www_server
 
-	This will copy `/etc/ssl/openssl.cnf` to local directory.
-	Now you	edit this file and you can do next step.
-	Important are commonName_default and so on.
-	If you do not know the openssl.cnf, you should read a openssl-howto
-	about `openssl.cnf`.
-
-* Create the KEY:
-
-		sslmake exmaple.key
-  
-	It will create a key-file example.key with a 4096 bit strong rsa.
+		organization = "Example Inc."
+		unit = "NOC"
+		state = "Example"
+		country = Ex
+		signing_key
+		encryption_key
+		EOF
 
 * Create the CSR:
 
-		sslmake example.csr
+		sslmake host.example.net.csr
   
-	This will use `example.cnf` as configfile and creates a key and the csr
+	This will use `host.example.net.csr` as configfile and creates a key and the csr
 	if didn't exists. Everything in one step.
+
+* Perfect Forward Secrecy
+
+		sslmake host.example.net.dh