Add more relevant (but contrived) example in init.coffee.

Closes #4089

dot-atom/init.coffee

@@ -4,11 +4,8 @@
 # after packages are loaded/activated and after the previous editor state
 # has been restored.
 #
-# An example hack to make opened Markdown files always be soft wrapped:
+# An example hack to log to the console when each text editor is saved.
 #
-# path = require 'path'
+# atom.workspace.observeTextEditors (editor) ->
-#
+#   editor.onDidSave ->
-# atom.workspaceView.eachEditorView (editorView) ->
+#     console.log "Saved! #{editor.getPath()}"
-#   editor = editorView.getEditor()
-#   if path.extname(editor.getPath()) is '.md'
-#     editor.setSoftWrapped(true)