diff --git a/runtimes/nodejs.el b/runtimes/nodejs.el
index de57fbb..5c20884 100644
--- a/runtimes/nodejs.el
+++ b/runtimes/nodejs.el
@@ -1,4 +1,7 @@
-;; node.js
+;;
+;; Node.js setup
+;;
+
 (setq exec-path (cons "~/.nvm/v0.10.24/bin" exec-path))
 ;; (setenv "PATH" (concat "~/.nvm/v0.10.24/bin:" (getenv "PATH")))
 
diff --git a/runtimes/ruby.el b/runtimes/ruby.el
index 7352c5c..271e35b 100644
--- a/runtimes/ruby.el
+++ b/runtimes/ruby.el
@@ -1,3 +1,7 @@
+;;
+;; Ruby setup
+;;
+
 ;; rbenv
 (setq exec-path (cons "~/.rbenv/bin" exec-path))
 (setq exec-path (cons "~/.rbenv/shims" exec-path))