fix introducing typo

Author: cordoval

cookbook/console/console_command.rst

@@ -4,7 +4,7 @@
 How to create a Console Command
 ===============================
 
-The Console page of the Components section (:doc:`/components/console/introductcion`) covers
+The Console page of the Components section (:doc:`/components/console/introduction`) covers
 how to create a Console command. This cookbook article covers the differences
 when creating Console commands within the Symfony2 framework.