Update translation files

cps/templates/user_table.html

@@ -147,7 +147,7 @@
             {{ user_checkbox_row("role", "delete_role", _('Delete'), visiblility, all_roles)}}
             {{ user_checkbox_row("role", "edit_shelf_role", _('Edit Public Shelves'), visiblility, all_roles)}}
             {%  if kobo_support %}
-            {{ user_single_checkbox_row("kobo_only_shelves_sync", _('Sync Selected Shelves with Kobo'))}}
+            {{ user_single_checkbox_row("kobo_only_shelves_sync", _('Sync selected Shelves with Kobo'))}}
             {%  endif %}
             {{ user_checkbox_row("sidebar_view", "detail_random", _('Show Random Books in Detail View'), visiblility, sidebar_settings)}}
             {{ user_checkbox_row("sidebar_view", "sidebar_language", _('Show language selection'), visiblility, sidebar_settings)}}