diff --git a/src/node/db/Pad.js b/src/node/db/Pad.js
index fc695988c..df2c3fbbb 100644
--- a/src/node/db/Pad.js
+++ b/src/node/db/Pad.js
@@ -161,6 +161,13 @@ Pad.prototype.getAllAuthors = function getAllAuthors() {
   return authors;
 };
 
+/*
+* Returns an atext at a given revision. It selects the last key rev before targetRev and applies all changesets up to
+* the given revision.
+*
+* @param {Number} targetRev the wanted revision
+* @param {Function} callback
+*/
 Pad.prototype.getInternalRevisionAText = function getInternalRevisionAText(targetRev, callback) {
   var _this = this;