Update GPG instructions in README

README.org

@@ -3,13 +3,14 @@
 ** TODO Re-write Hyprland config
 Convert from linked text file to proper nix expression (using home-manager)
 * Password store setup
-** Export gpg key
+** Transfer GPG key(s)
 #+begin_src bash
+# Export key on existing machine
 gpg --export-secret-keys > key.gpg
-#+end_src
-** Import gpg key
-#+begin_src bash
+# Import key on new machine
 gpg --import key.gpg
+# Edit (for each key) to set trust
+gpg --edit-key ...
 #+end_src
 ** Clone password-store repository
 #+begin_src bash