--- a/bin/imager.save	Fri Sep 16 11:23:50 2011 +0200
+++ b/bin/imager.save	Tue Oct 11 10:27:29 2011 +0200
@@ -292,7 +292,9 @@
 
 =item B<-z>|B<--compress> [I<level>]
 
-Use compression when writing the blocks to disk. (default: off)
+Use compression when writing the blocks to disk. B<NOTE:> There may
+remain uncompressed files, since we only save compressed data if we 
+can save more then 10% of the size. (default: off)
 
 =item B<-h>|B<--help>