diff --git a/wiki/Manual1.wiki b/wiki/Manual1.wiki
index 4bd7c5e..187c61e 100644
--- a/wiki/Manual1.wiki
+++ b/wiki/Manual1.wiki
@@ -137,6 +137,13 @@ In this example, a list of URLs is provided by the file list.txt. These urls are
 
 `$ ./ppss.sh standalone -f list-of-urls.txt -c 'wget -q "$ITEM"'`
 
+*Advanced usage of the -c command option *
+
+Some commands require that you specify an output file. An example of such a command or program is the Lame mp3 encoder. Since the output file must be unique for each item, the output file name must be based on a variable. Like this:
+
+-c 'lame -a "$ITEM" "/some/path/$ITEM.mp3" --preset standard --quiet'
+
+The filename of the item is reused to create the output file name. 
 
 == Advanced command line options ==