Update help text for quick switcher (#6599)

webapp/components/quick_switch_modal/quick_switch_modal.jsx

@@ -274,18 +274,20 @@ export default class QuickSwitchModal extends React.PureComponent {
         }
 
         let help;
-        if (this.props.showTeamSwitcher) {
+        if (Utils.isMobile()) {
+            help = null;
+        } else if (this.props.showTeamSwitcher) {
             help = (
                 <FormattedMessage
                     id='quick_switch_modal.help'
-                    defaultMessage='Use TAB to toggle between teams/channels, ↑↓ to browse, ↵ to confirm, ESC to dismiss'
+                    defaultMessage='Start typing then use TAB to toggle channels/teams, ↑↓ to browse, ↵ to select, and ESC to dismiss.'
                 />
             );
         } else {
             help = (
                 <FormattedMessage
                     id='quick_switch_modal.help_no_team'
-                    defaultMessage='Type a channel name. Use ↑↓ to browse, ↵ to confirm, ESC to dismiss'
+                    defaultMessage='Start typing then use ↑↓ to browse, ↵ to select, and ESC to dismiss.'
                 />
             );
         }

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": "Start typing then use TAB to toggle channels/teams, ↑↓ to browse, ↵ to select, and 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_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",