diff --git a/terminatorlib/prefseditor.py b/terminatorlib/prefseditor.py
index 671f2839..63365240 100755
--- a/terminatorlib/prefseditor.py
+++ b/terminatorlib/prefseditor.py
@@ -174,7 +174,7 @@ class PrefsEditor:
                         'broadcast_group'  : _('Broadcast key presses to group'),
                         'broadcast_all'    : _('Broadcast key events to all'),
                         'insert_number'    : _('Insert terminal number'),
-                        'insert_padded'    : _('Insert padded terminal number'),
+                        'insert_padded'    : _('Insert zero padded terminal number'),
                         'edit_window_title': _('Edit window title'),
                         'edit_terminal_title': _('Edit terminal title'),
                         'edit_tab_title'   : _('Edit tab title'),
diff --git a/terminatorlib/terminal.py b/terminatorlib/terminal.py
index 0fefb749..5b8171cd 100644
--- a/terminatorlib/terminal.py
+++ b/terminatorlib/terminal.py
@@ -583,7 +583,7 @@ def populate_group_menu(self):
         item.connect('activate', lambda x: self.emit('enumerate', False))
         menu.append(item)
 
-        item = Gtk.MenuItem.new_with_mnemonic(_('Insert _padded terminal number'))
+        item = Gtk.MenuItem.new_with_mnemonic(_('Insert zero _padded terminal number'))
         item.connect('activate', lambda x: self.emit('enumerate', True))
         menu.append(item)