azkaban-aplcache

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 2436ba1..60578b4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -68,6 +68,11 @@ It allows us to do following when saving a file:
 * Remove unnecessary semicolon
 * Add missing @Override annotations
 
+### New line at the end of a file
+
+Configure Intellij to automatically insert a new line at the end of a file:
+Preferences → Editor → General → Ensure line feed at file end on Save
+
 ### todo style
 
 Add your user name to TODO items.