diff --git a/README.pod b/README.pod
index ef97a75..df50551 100644
--- a/README.pod
+++ b/README.pod
@@ -119,6 +119,8 @@ fmt is a string containing placeholders. The placeholders will be replaced with
 
 =item B<%I>  iconname (without its path)
 
+=item B<%p>  progress value if set ([  0%] to [100%]) or nothing
+
 =back
 
 =head1 COLORS
@@ -131,6 +133,7 @@ X color names.
 
 dunst is able to get different colors for a message via notify-send.
 In order to do that you have to add a hint via the -h option.
+The progress value can be set with a hint, too.
 
 =over 4
 
@@ -138,6 +141,8 @@ In order to do that you have to add a hint via the -h option.
 
 =item notify-send -h string:bgcolor:#4444ff -h string:fgcolor:#ff4444
 
+=item notify-send -h int:value:42 "Working ..."
+
 =back
 
 =head1 CONFIGURATION
diff --git a/dunst.h b/dunst.h
index 784cb9e..5e56f23 100644
--- a/dunst.h
+++ b/dunst.h
@@ -54,7 +54,7 @@ typedef struct _notification {
         int dup_count;
         ColorSet *colors;
         char *color_strings[2];
-        int progress;
+        int progress;           /* percentage + 1, 0 to hide */
 } notification;
 
 typedef struct _notification_buffer {
diff --git a/dunstrc b/dunstrc
index c59ae94..9955fe2 100644
--- a/dunstrc
+++ b/dunstrc
@@ -7,6 +7,7 @@
     #   %b  body
     #   %i  iconname (including its path)
     #   %I  iconname (without its path)
+    #   %p  progress value if set ([  0%] to [100%]) or nothing
     format = "%s %b"
 
     # Sort messages by urgency