Update an url

Author: bbatsov

clojure-mode.el

@@ -396,7 +396,7 @@ The command will prompt you to select one of the available sections."
       (let ((section-url (concat clojure-reference-base-url (cdr (assoc section clojure-reference-sections)))))
         (browse-url section-url)))))
 
-(defconst clojure-cheatsheet-url "http://clojure.org/api/cheatsheet"
+(defconst clojure-cheatsheet-url "https://clojure.org/api/cheatsheet"
   "The URL of the official Clojure cheatsheet.")
 
 (defun clojure-view-cheatsheet ()