diff --git a/lib/db/index.js b/lib/db/index.js
index 6a65f9b6d..c5adf8123 100644
--- a/lib/db/index.js
+++ b/lib/db/index.js
@@ -7,6 +7,7 @@ function DB(options) {
 }
 module.exports = DB;
 
+// When false, Backend will handle projections instead of DB
 DB.prototype.projectsSnapshots = false;
 DB.prototype.disableSubscribe = false;