Improve a docstring

Author: bbatsov

cider.el

@@ -1077,8 +1077,8 @@ Use `cider-ps-running-nrepls-command' and `cider-ps-running-nrepl-path-regexp-li
                   build-files))))
 
 (defun cider-project-type ()
-  "Determine the type, either leiningen, boot or gradle, of the current project.
-If more than one project file types are present, check for a preferred
+  "Determine the type of the current project.
+When multiple project file markers are present, check for a preferred
 build tool in `cider-preferred-build-tool', otherwise prompt the user to
 choose."
   (let* ((choices (cider--identify-buildtools-present))