diff --git a/README.md b/README.md
index 5048fe3839fcb13fa399fcc8967bdaddd398fa3d..f7129a1dc651a44234c0ff64b37ef3056f58c023 100644
--- a/README.md
+++ b/README.md
@@ -41,8 +41,7 @@ Please change all passwords in the configuration file and leave the passphrase e
 
 ```bash
 cd single-compose
-ssh-keygen -t rsa -b 4096 -m PEM -f id_rsa
-openssl rsa -in id_rsa -pubout -outform PEM -out id_rsa.pub
+ssh-keygen -b 4096 -f id_rsa
 cp .env.sample .env
 ```