Clarify this command as a bundled command

README.md

@@ -231,9 +231,11 @@ wp package uninstall <name>
 
 ## Installing
 
-Installing this package requires WP-CLI v0.23.0 or greater. Update to the latest stable release with `wp cli update`.
+This package is included with WP-CLI itself, no additional installation necessary.
 
-Once you've done so, you can install this package with `wp package install wp-cli/package-command`.
+To install the latest version of this package over what's included in WP-CLI, run:
+
+    wp package install [email protected]:wp-cli/package-command.git
 
 ## Contributing
 

composer.json

@@ -17,8 +17,12 @@
     "minimum-stability": "dev",
     "prefer-stable": true,
     "autoload": {
-        "psr-4": {"": "src/"},
-        "files": [ "package-command.php" ]
+        "psr-4": {
+            "": "src/"
+        },
+        "files": [
+            "package-command.php"
+        ]
     },
     "require": {
         "wp-cli/wp-cli": "*",
@@ -37,6 +41,7 @@
             "package list",
             "package update",
             "package uninstall"
-        ]
+        ],
+        "bundled": true
     }
 }