diff --git a/CONTRIBUTING.adoc b/CONTRIBUTING.adoc
index cc13207..d5b94f3 100644
--- a/CONTRIBUTING.adoc
+++ b/CONTRIBUTING.adoc
@@ -11,6 +11,14 @@ Ideas may be discussed, purely on their merits and issues. Our Code of Conduct
 discussion throughout the whole process. This project respects the
 link:https://www.kernel.org/doc/html/latest/process/code-of-conduct.html[Linux Kernel code of conduct].
 
+== More than 3 lines - talk to someone first
+
+If you're planning on making a change that's more than a 3 lines, please talk to someone first. This is so that you don't waste your time on something that might not be accepted. It's also a good way to get some feedback on your idea and make sure you're on the right track.
+
+== A PR should be one logical change
+
+Please try to keep your pull requests small and focused. It's almost impossible to review PRs that change lots of files for lots of different reasons. If you have a big change, it's probably best to break it down into smaller, more manageable chunks, otherwise it's likely to be rejected.
+
 == If you're not sure, ask!
 
 Don't be afraid to ask for advice before working on a