As suggested in the comment https://www.drupal.org/node/2400543#comment-10461821 we need to improve the titles of the term and vocabulary pages. The titles should reflect on the edit as well as the delete page
Change the title from "Edit Vocabulary" / "Edit Term" to "Edit Vocabulary_Name" / "Edit Term_Name"
User interface changes
Data model changes
Before patch Edit of Vocabulary:
After patch Edit of Vocabulary:
Before patch Edit of Term:
After patch Edit of Term: