fix schroot-list-sessions call docs

diff --git a/input/doc/schroot.mdwn b/input/doc/schroot.mdwn
index 0f4776c..b0db692 100644 (file)
--- a/input/doc/schroot.mdwn
+++ b/input/doc/schroot.mdwn
@@ -51,7 +51,7 @@ When logging into Debian porterbox machine:
 <pre><code>
        $ schroot --list --all-sessions
 or
-       $ schroot-list-sessions [<userglob>]
+       $ schroot-list-sessions
 </code></pre>
 
 * You should be done by now. If you find any issue, please report to debian-admin@lists.debian.org.