diff --git a/gpg/README.md b/gpg/README.md
index 4a15a17..74e6447 100644
--- a/gpg/README.md
+++ b/gpg/README.md
@@ -41,7 +41,7 @@ $ gpg -k
 ### Copy Public Key
 
 ```console
-gpg --export --armor $(gpg -K --with-colons --keyid-format SHORT | awk -F: '/^pub:/ { print $5 }') | xclip -sel clip
+gpg --export --armor $(gpg -K --with-colons | awk -F: '/^sec/ { getline; print $10; exit }')
 ```
 
 ### Copy Private key (Caution)
diff --git a/ssh/README.md b/ssh/README.md
index 271ab98..1ccc8d1 100644
--- a/ssh/README.md
+++ b/ssh/README.md
@@ -3,7 +3,12 @@
 ### Generate SSH key pair
 
 ```console
-$ ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/id_ed25519 -C "john@example.com"
+ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/id_ed25519 -C "lupin@example.com"
+```
+
+#### Hardware Key
+```console
+ssh-keygen -o -a 100 -t ed25519-sk -f ~/.ssh/id_ed25519 -C "lupin@example.com"
 ```
 
 #### Change private key permissions