diff --git a/lib/sources/npi/index.js b/lib/sources/npi/index.js
index bf3d3e3..c3af115 100644
--- a/lib/sources/npi/index.js
+++ b/lib/sources/npi/index.js
@@ -6,6 +6,9 @@ var shelljs = require('shelljs'),
     logger = require('../../logger').data;
 
 module.exports = {
+
+  // fetches pending migrations
+  // and runs them
   update: function () {
     logger.info('updating NPI datasources');
     return sourceMeta.updating('NPI')
diff --git a/lib/sources/npi/monthly/indexer.js b/lib/sources/npi/monthly/indexer.js
index c0a7f75..3a63258 100644
--- a/lib/sources/npi/monthly/indexer.js
+++ b/lib/sources/npi/monthly/indexer.js
@@ -18,4 +18,4 @@ module.exports = {
 		// actually create the indices with SQL using the pg driver
     return Q.ninvoke(pg, 'query', indicesSql);
   }
-}
+}
\ No newline at end of file
diff --git a/make.js b/make.js
index ea25db3..93b861e 100644
--- a/make.js
+++ b/make.js
@@ -15,6 +15,7 @@ target.all = function () {
 var Q = require('q');
 Q.longStackSupport = true;
 
+// calls npi#update
 target.fetch = function () {
   var pg = require('./lib/sources/pg'),
       npi = require('./lib/sources/npi');
@@ -31,6 +32,8 @@ target.fetch = function () {
     });
 };
 
+// creates the database and calls
+// npi#update
 target.bootstrap = function () {
   var pg = require('./lib/sources/pg'),
       npi = require('./lib/sources/npi'),