(formatting fixes after merge)

[no ci]

README.md

@@ -235,21 +235,21 @@ See [Advanced configuration](#advanced-configuration) for details and more confi
   <details>
 
   1. If you have Fish 3.2.0 or newer, execute this interactively:
-    ~~~ fish
+     ```fish
        set -Ux PYENV_ROOT $HOME/.pyenv
        test -d $PYENV_ROOT/bin; and fish_add_path $PYENV_ROOT/bin
-    ~~~
+     ```
 
   2. Otherwise, execute the snippet below:
-    ~~~ fish
+     ```fish
        set -Ux PYENV_ROOT $HOME/.pyenv
        test -d $PYENV_ROOT/bin; and set -U fish_user_paths $PYENV_ROOT/bin $fish_user_paths
-    ~~~
+     ```
 
   3. Now, add this to `~/.config/fish/config.fish`:
-    ~~~ fish
+     ```fish
        pyenv init - fish | source
-    ~~~
+     ```
   </details>
 
 ### C. Restart your shell