diff --git a/README.md b/README.md
index 671fdea..ba98ceb 100644
--- a/README.md
+++ b/README.md
@@ -4,16 +4,16 @@
 
 ```bash
 ssh-keygen -t ecdsa -b 521
-#or
-ssh-keygen -t ecdsa -b 521 -f ~/.ssh/key-ecdsa
 
+# specif an file
+ssh-keygen -t ecdsa -b 521 -f ~/.ssh/key-ecdsa
 ```
 
 ## Copy public key
 
 ```bash
 ssh-add ~/.ssh/id_ed25519
-ssh-copy-id -i ~/.ssh//ey-ecdsa.pub example_user@192.0.2.4
+ssh-copy-id -i ~/.ssh/y-ecdsa.pub example_user@192.0.2.4
 ```
 
 ## Add existing Key
@@ -40,4 +40,3 @@ _(local machine without direct access to target-server)_
 ```bash
 ssh -f -N -L localhost:8001:target-server:80 usr@jump-machine.local
 ```
-