Add benefits of using packit to faq

Adds the Documentation about aditional benefits of Packit compared to usage of external services directly.

Fixes #794

docs/faq.md

@@ -158,8 +158,8 @@ You can read more about this transition [here](/posts/copr-srpms).
 
 Please read [this document on how to reproduce locally](reproduce-locally).
 
-## Unlocking Efficiency: The Advantages of Using Packit for Seamless Service Integration
+## Why you should use Packit instead of external devices directly?
 
 - Packit uses various services Testing Farm, Copr, Koji, Bodhi…
-- These services can be used without Packit, but Packit intergrates their continuity (the build in Copr is created automatically when a new version is released).
+- These services can be used without Packit, but Packit integrates them (the build in Copr is created automatically when a new version is released).
 - The user does not have to wait for the results and just interprets them.