fix: fix spelling error in startup message

internal/gui/feedback/controller.lua

@@ -67,7 +67,7 @@ function feedback.update()
     feedback_view:open()
 
     if config.show_start_up_message then
-      reaper.ShowMessageBox("Hello from inside Reaper Keys! I see the feedback window just opened... Here are some things I have been told to tell you:\n  -If the feedback window is focused, I can't hear the keys being pressed, so be sure to unfocus it.\n  -If that pesky 'this script is running in the background hur dur' message comes up just check 'new instance' and 'remember' and it will go away\n  -Everything you need to configure reaper-keys is in the REAPER/Scripts/reaper-keys/definitions/ directory.\n  -If you would like this message to not appear anymore, set the option in definitions/config.lua.\n  -If you set that option there will be no one to protect you from the focus stealing of the feedback window.\n  -reaper-keys by uses a reduced keymap by default, if you outgrow it, set the option in definitions/config.lua to use the extended defaults.\n  -Your mother loves you", "Reaper Keys Open Message", 1)
+      reaper.ShowMessageBox("Hello from inside Reaper Keys! I see the feedback window just opened... Here are some things I have been told to tell you:\n  -If the feedback window is focused, I can't hear the keys being pressed, so be sure to unfocus it.\n  -If that pesky 'this script is running in the background hur dur' message comes up just check 'new instance' and 'remember' and it will go away\n  -Press <M-x> (Alt+x) to open up a keybinding menu.\n  -Everything you need to configure reaper-keys is in the REAPER/Scripts/reaper-keys/definitions/ directory.\n  -If you would like this message to not appear anymore, set the option in definitions/config.lua.\n  -If you set that option there will be no one to protect you from the focus stealing of the feedback window.\n  -reaper-keys uses a reduced keymap by default, if you want more keybindings, set the option in definitions/config.lua to use the extended defaults.\n  -Your mother loves you", "Reaper Keys Open Message", 1)
     end
 
     model.setKeys({open = true})