improve maintaining.md

sindresorhus · sindresorhus · commit 84e3028c276d · 2015-12-12T23:28:17.000+01:00
diff --git a/maintaining.md b/maintaining.md
@@ -19,4 +19,7 @@
 
 ## Pull requests
 
-New features should come with tests and documentation.
+- New features should come with tests and documentation.
+- Ensure the contributing guidelines are followed.
+- At least two team members must `LGTM` a pull request before it's merged.
+- Squash commits when merging.
