Fix comment in package.ini.

[ci skip]

package.ini

@@ -1,9 +1,8 @@
 ; This file is meant to be used with Onion http://c9s.github.com/Onion/
-; In order to be able to build a PEAR package of Predis, open a new terminal
-; session and follow these two easy steps:
+; For instructions on how to build a PEAR package of Predis please follow
+; the instructions at this URL:
 ;
-; $ wget https://github.com/c9s/Onion/raw/master/onion.phar
-; $ /usr/bin/env php onion.phar build
+; https://github.com/c9s/Onion#a-quick-tutorial-for-building-pear-package
 ;
 
 [package]