Fixed a typo

Author: javiereguiluz

cookbook/assetic/asset_management.rst

@@ -8,7 +8,7 @@ How to Use Assetic for Asset Management
 
     Starting from Symfony 2.8, Assetic is no longer included by default in the
     Symfony Standard Edition. Before using any of its features, install the
-    AsseticBundle executing this command command in your project:
+    AsseticBundle executing this console command in your project:
 
     .. code-block:: bash