Create parent directories if necessary
@@ -73,7 +73,7 @@ $ rustup completions bash > ~/.local/share/bash_completion/completions/rustup
$ rustup completions bash > $(brew --prefix)/etc/bash_completion.d/rustup.bash-completion
# Fish
-$ mkdir ~/.config/fish/completions
+$ mkdir -p ~/.config/fish/completions
$ rustup completions fish > ~/.config/fish/completions/rustup.fish
# Zsh
