diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index c939b9f6f89..2066aef4ef4 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2013-10-10  Andrei Chițu  <andrei.chitu1@gmail.com>  (tiny change)
+
+	* calendar/icalendar.el (icalendar-import-file):
+	Fix interactive spec.  (Bug#15482)
+
 2013-10-10  Glenn Morris  <rgm@gnu.org>
 
 	* desktop.el (desktop-save): Default to saving in .emacs.d,
diff --git a/lisp/calendar/icalendar.el b/lisp/calendar/icalendar.el
index bb3ff0436e0..4d0b9d169b5 100644
--- a/lisp/calendar/icalendar.el
+++ b/lisp/calendar/icalendar.el
@@ -1822,7 +1822,7 @@ Optional argument NON-MARKING determines whether events are created as
 non-marking or not."
   (interactive "fImport iCalendar data from file: \n\
 Finto diary file:
-p")
+P")
   ;; clean up the diary file
   (save-current-buffer
     ;; now load and convert from the ical file