diff --git a/lib/less/environment/abstract-file-manager.js b/lib/less/environment/abstract-file-manager.js
index 4a384536..40b97792 100644
--- a/lib/less/environment/abstract-file-manager.js
+++ b/lib/less/environment/abstract-file-manager.js
@@ -35,7 +35,7 @@ abstractFileManager.prototype.alwaysMakePathsAbsolute = function() {
 abstractFileManager.prototype.isPathAbsolute = function(filename) {
     return (/^(?:[a-z-]+:|\/|\\|#)/i).test(filename);
 };
-// TODO: pull out - this is part of Node & Browserify
+// TODO: pull out / replace?
 abstractFileManager.prototype.join = function(basePath, laterPath) {
     if (!basePath) {
         return laterPath;
diff --git a/lib/less/plugin-manager.js b/lib/less/plugin-manager.js
index bc338652..a7e8b63d 100644
--- a/lib/less/plugin-manager.js
+++ b/lib/less/plugin-manager.js
@@ -54,6 +54,9 @@ PluginManager.prototype.get = function(filename) {
     return this.pluginCache[filename];
 };
 
+/**
+ * Deprecate eventually 
+ */
 function upgradeVisitors(visitor, oldType, newType) {
 
     if (visitor['visit' + oldType] && !visitor['visit' + newType]) {