Update blocked events faq to include api calls

Author: ashton-huxtable

src/protocols/faq.md

@@ -124,7 +124,7 @@ Blocked events are blocked from sending to all Segment Destinations, including w
 
 ### Do blocked and discarded events count towards my MTU counts?
 
-Blocked events will not count towards your MTU counts as long as blocked event forwarding is disabled.
+MTUs and API calls are calculated from the same pipeline. Blocking events within the source schema or tracking plan functionality (Protocols) will exclude it from API call calculations and MTU calculations as the events are discarded before they reach our pipeline that we use for calculations..
 
 ## Protocols Transformations