Expand a bit on clojure-build-tool-files

Author: bbatsov

clojure-mode.el

@@ -178,7 +178,13 @@ For example, \[ is allowed in :db/id[:db.part/user]."
           (and (listp value)
                (cl-every 'characterp value))))
 
-(defcustom clojure-build-tool-files '("project.clj" "build.boot" "build.gradle" "deps.edn" "shadow-cljs.edn")
+(defcustom clojure-build-tool-files
+  '("project.clj"     ; Leiningen
+    "build.boot"      ; Boot
+    "build.gradle"    ; Gradle
+    "deps.edn"        ; Clojure CLI (a.k.a. tools.deps)
+    "shadow-cljs.edn" ; shadow-cljs
+    )
   "A list of files, which identify a Clojure project's root.
 Out-of-the box `clojure-mode' understands lein, boot, gradle,
  shadow-cljs and tools.deps."