Update doc/api/permissions.md

Co-authored-by: Rafael Gonzaga <rafael.nunu@hotmail.com>

Author: cybe4sent1nel

doc/api/permissions.md

@@ -254,7 +254,8 @@ scope or any other Permission Model scope.
 
 A sandboxed process running under `--permission` with no additional
 grants can call `process._debugProcess(pid)` to force another Node.js
-process to open its V8 Inspector, regardless of whether that target
+process to open its V8 Inspector (if the process was initialized without `--permission`)
+regardless of whether that target
 process has any permission restrictions.
 
 This is consistent with the Node.js threat model: Node.js trusts the