diff --git a/docs/man/activator.pod b/docs/man/activator.pod
index 417303b5a..0e34e5bad 100644
--- a/docs/man/activator.pod
+++ b/docs/man/activator.pod
@@ -124,7 +124,7 @@ sync all the configured repositories
 
 =item B<vacuum>
 
-clean unavaiable packages from mirrors
+clean unavaiable packages from mirrors (similar to tidy, but more nazi)
 
 =over
 
diff --git a/docs/man/man1/activator.1 b/docs/man/man1/activator.1
index 6cc5c62cb..cdde879f1 100644
--- a/docs/man/man1/activator.1
+++ b/docs/man/man1/activator.1
@@ -218,7 +218,7 @@ sync all the configured repositories
 .RE
 .IP "\fBvacuum\fR" 4
 .IX Item "vacuum"
-clean unavaiable packages from mirrors
+clean unavaiable packages from mirrors (similar to tidy, but more nazi)
 .RS 4
 .IP "\fB\-\-days=<days\fR>" 4
 .IX Item "--days=<days>"
diff --git a/server/activator.py b/server/activator.py
index 29eaf7738..91fe1157d 100644
--- a/server/activator.py
+++ b/server/activator.py
@@ -63,7 +63,7 @@ help_opts = [
     (1, 'repo', 1, _('repository handling functions')),
         (2, 'sync', 3, _('sync the current repository database across primary mirrors')),
             (3, '--syncall', 1, _('sync all the configured repositories')),
-        (2, 'vacuum', 3, _('clean unavaiable packages from mirrors')),
+        (2, 'vacuum', 3, _('clean unavaiable packages from mirrors (similar to tidy, but more nazi)')),
             (3, '--days=<days>', 1, _('expiration days [default is: 0, dangerous!]')),
         (2, 'lock', 3, _('lock the current repository database (server-side)')),
         (2, 'unlock', 3, _('unlock the current repository database (server-side)')),