diff --git a/doc/05-repositories.md b/doc/05-repositories.md
index dab0abb4d..94773f35a 100644
--- a/doc/05-repositories.md
+++ b/doc/05-repositories.md
@@ -523,7 +523,7 @@ private packages:
 
 Each zip artifact is just a ZIP archive with `composer.json` in root folder:
 
-    $ tar -tf acme-corp-parser-10.3.5.zip
+    $ unzip -l acme-corp-parser-10.3.5.zip
     composer.json
     ...