Minor man page update dealing with bzip2/gzip differences

man/bzip2.1

@@ -170,6 +170,17 @@ data.  You can use
 to try to recover data from
 damaged files.
 
+Unlike 
+.I GNU gzip,
+.I bzip2 
+will not create a series of
+.I .bz2 
+suffixes even when using the 
+.I --force
+option:
+
+       filename.bz2    does not become   filename.bz2.bz2
+
 Return values: 0 for a normal exit, 1 for environmental problems (file
 not found, invalid flags, I/O errors, &c), 2 to indicate a corrupt
 compressed file, 3 for an internal consistency error (eg, bug) which