Update help text for quick switcher (#6599)

webapp/i18n/en.json

@@ -1169,8 +1169,8 @@
   "channel_select.placeholder": "--- Select a channel ---",
   "channel_switch_modal.dm": "(Direct Message)",
   "channel_switch_modal.failed_to_open": "Failed to open channel.",
-  "quick_switch_modal.help": "Use TAB to toggle between teams/channels, ↑↓ to browse, ↵ to confirm, ESC to dismiss",
-  "quick_switch_modal.help_no_team": "Type a channel name. Use ↑↓ to browse, ↵ to confirm, ESC to dismiss",
+  "quick_switch_modal.help": "Start typing then use TAB to toggle channels/teams, ↑↓ to browse, ↵ to select, and ESC to dismiss.",
+  "quick_switch_modal.help_no_team": "Start typing then use ↑↓ to browse, ↵ to select, and ESC to dismiss.",
   "quick_switch_modal.channels": "Channels",
   "quick_switch_modal.teams": "Teams",
   "quick_switch_modal.teamsShortcut.mac": "- ⌘⌥K",