Update http_kernel.rst

Author: 94noni

components/http_kernel.rst

@@ -485,7 +485,7 @@ as possible to the client (e.g. sending emails).
 
 .. _component-http-kernel-kernel-exception:
 
-Handling Exceptions: the ``kernel.exception`` Event
+9) Handling Exceptions: the ``kernel.exception`` Event
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 **Typical Purposes**: Handle some type of exception and create an appropriate