{
        int key;
        int exit_keys[] = { 'a', '?', 'h', 'C', 'd', 'D', 'E', 't',
-                           NEWT_KEY_ENTER, NEWT_KEY_RIGHT, NEWT_KEY_LEFT, 0, };
+                           NEWT_KEY_ENTER, NEWT_KEY_RIGHT, NEWT_KEY_LEFT,
+                           NEWT_KEY_TAB, NEWT_KEY_UNTAB, 0, };
 
        self->b.entries = &self->hists->entries;
        self->b.nr_entries = self->hists->nr_entries;
                                        "E         Expand all callchains\n"
                                        "d         Zoom into current DSO\n"
                                        "t         Zoom into current Thread\n"
+                                       "TAB/UNTAB Switch events\n"
                                        "q/CTRL+C  Exit browser");
                        continue;
                case NEWT_KEY_ENTER:
                        if (nd == first)
                                continue;
                        nd = rb_prev(nd);
+                       break;
                default:
                        return key;
                }