(locate-in-alternate-database): Doc fix.
;; Only for GNU locate
(defun locate-in-alternate-database (search-string database)
- "Run the GNU locate command, using an alternate database."
+ "Run the GNU locate command, using an alternate database.
+
+This command only works if you use GNU locate. It does not work
+properly if `locate-prompt-for-command' is set to t. In that
+case, you can just run the regular `locate' command and specify
+the database on the command line."
(interactive
(list
(progn