diff --git a/.gitignore b/.gitignore
index 4a08d59b7..fa1e16d4c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+# If you are adding to this file, please ensure sorting is maintained. If using vim, you can use :%sort u
 CMakeCache.txt
 CMakeFiles/
 Makefile