adr: typo

Author: Alexander Standke

doc/architecture-decisions/0012-routecontroller-route-deletion-finalizer.md

@@ -28,4 +28,4 @@ Using finalizers allows us to implement all of the cases in our route deletion l
 
 * We can meet our SLO of having 95% of route changes being reflected within 10 seconds when routes are deleted
 * Routes will fail to be deleted if there is no routecontroller available to resolve the finalizer
-  * As a result, cf-for-k8s will now delete the workload namespaces first when deleting a CF deeployment
+  * As a result, cf-for-k8s will now delete the workload namespaces first when deleting a CF deployment