Update doc/contributing/large-pull-requests.md

Co-authored-by: Joyee Cheung <joyeec9h3@gmail.com>

Author: mcollina

doc/contributing/large-pull-requests.md

@@ -18,7 +18,7 @@ Large pull requests are difficult to review or sometimes impossible to review in
 for a long time without receiving adequate review, and when they do get reviewed,
 the quality of that review is often lower due to reviewer fatigue. Contributors
 should avoid creating large pull requests except in those cases where it is
-effectively unavoidable, such as when adding a major new subsystem.
+effectively unavoidable, such as when adding new dependencies.
 
 This document outlines the policy for authoring and reviewing large pull
 requests in the Node.js project.