diff --git a/docs/README.md b/docs/README.md
index 8b075e8a..44b0c0a3 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -162,6 +162,7 @@ Also works for other Debian-derived distributions like MX Linux, Linux Mint, dee
 
 ```bash
 # Install httpie
+$ sudo -i
 $ curl -SsL https://packages.httpie.io/deb/KEY.gpg | apt-key add -
 $ curl -SsL -o /etc/apt/sources.list.d/httpie.list https://packages.httpie.io/deb/httpie.list
 $ apt update