diff --git a/doc/language-support.xml b/doc/language-support.xml
index 4fd70431950..87f500a491b 100644
--- a/doc/language-support.xml
+++ b/doc/language-support.xml
@@ -624,7 +624,7 @@ $ cat > Gemfile
 source 'https://rubygems.org'
 gem 'sensu'
 $ bundler package --path /tmp/vendor/bundle
-$ $(nix-build '&nixpkgs>' -A bundix)/bin/bundix
+$ $(nix-build '<nixpkgs>' -A bundix)/bin/bundix
 $ cat > default.nix
 { lib, bundlerEnv, ruby }: