diff --git a/core/lib/plugin_manager.js b/core/lib/plugin_manager.js
index fdb331a5b..bafe3a2a4 100644
--- a/core/lib/plugin_manager.js
+++ b/core/lib/plugin_manager.js
@@ -5,10 +5,21 @@ var plugin_manager = function (config, configPath) {
     fs = require('fs-extra'),
     util = require('./utilities');
 
+  /**
+   * Loads a plugin
+   *
+   * @param pluginName {string} the name of the plugin
+   * @return {object} the loaded plugin
+   */
   function loadPlugin(pluginName) {
     return require(path.join(process.cwd(), 'node_modules', pluginName));
   }
 
+  /**
+   * Installs a plugin
+   *
+   * @param pluginName {string} the name of the plugin
+   */
   function installPlugin(pluginName) {
     try {
       var pluginPath = path.resolve(
@@ -40,6 +51,11 @@ var plugin_manager = function (config, configPath) {
     }
   }
 
+  /**
+   * Detect installed plugins
+   *
+   * @return {array} list of installed plugins
+   */
   function detectPlugins() {
     var node_modules_path = path.join(process.cwd(), 'node_modules');
     return fs.readdirSync(node_modules_path).filter(function (dir) {
@@ -48,10 +64,18 @@ var plugin_manager = function (config, configPath) {
     });
   }
 
+  /**
+   * Disables an installed plugin
+   * Not implemented yet
+   */
   function disablePlugin(pluginName) {
     console.log('disablePlugin not implemented yet. No change made to state of plugin', pluginName);
   }
 
+  /**
+   * Enables an installed plugin
+   * Not implemented yet
+   */
   function enablePlugin(pluginName) {
     console.log('enablePlugin not implemented yet. No change made to state of plugin', pluginName);
   }