--- a/sat_frontends/jp/base.py	Thu Jul 29 22:51:01 2021 +0200
+++ b/sat_frontends/jp/base.py	Thu Jul 29 22:51:01 2021 +0200
@@ -34,6 +34,7 @@
 import termios
 from pathlib import Path
 from glob import iglob
+from typing import Optional
 from importlib import import_module
 from sat_frontends.tools.jid import JID
 from sat.tools import config
@@ -332,7 +333,7 @@
 
 
     def make_pubsub_group(self, flags, defaults):
-        """generate pubsub options according to flags
+        """Generate pubsub options according to flags
 
         @param flags(iterable[unicode]): see [CommandBase.__init__]
         @param defaults(dict[unicode, unicode]): help text for default value
@@ -402,7 +403,7 @@
                 help=_("find page before this item"), metavar='ITEM_ID')
             rsm_page_group.add_argument(
                 "--index", dest="rsm_index", type=int,
-                help=_("index of the page to retrieve"))
+                help=_("index of the first item to retrieve"))
 
 
             # MAM
@@ -424,6 +425,12 @@
                                              C.ORDER_BY_MODIFICATION],
                 help=_("how items should be ordered"))
 
+        if flags[C.CACHE]:
+            pubsub_group.add_argument(
+                "-C", "--no-cache", dest="use_cache", action='store_false',
+                help=_("don't use Pubsub cache")
+            )
+
         if not flags.all_used:
             raise exceptions.InternalError('unknown flags: {flags}'.format(
                 flags=', '.join(flags.unused)))
@@ -1235,6 +1242,16 @@
         else:
             if order_by is not None:
                 extra[C.KEY_ORDER_BY] = self.args.order_by
+
+        # Cache
+        try:
+            use_cache = self.args.use_cache
+        except AttributeError:
+            pass
+        else:
+            if not use_cache:
+                extra[C.KEY_USE_CACHE] = use_cache
+
         return data_format.serialise(extra)
 
     def add_parser_options(self):