Tweak a defcustom

Author: bbatsov

cider.el

@@ -251,7 +251,8 @@ By default we favor the project-specific shadow-cljs over the system-wide."
   :safe #'stringp
   :package-version '(cider . "1.6.0"))
 
-(defcustom cider-jack-in-default (if (executable-find "clojure") 'clojure-cli 'lein)
+(defcustom cider-jack-in-default
+  (if (executable-find "clojure") 'clojure-cli 'lein)
   "The default tool to use when doing `cider-jack-in' outside a project.
 This value will only be consulted when no identifying file types, i.e.
 project.clj for leiningen or build.boot for boot, could be found.