Clarify udsploit completion output

Closes #1881

_pages/en_US/installing-boot9strap-(safeb9sinstaller).txt

@@ -9,7 +9,7 @@ title: "Installing boot9strap (SafeB9SInstaller)"
 #### Section I - Launching SafeB9SInstaller
 
 1. Launch udsploit from the list of homebrew
-1. Once it has completed, press (Start) to exit udsploit
+1. Once you see `patching kernel... done`, press (Start) to exit udsploit
   + This may take several tries
   + If it freezes, just force the console to power off by holding the power button, then try again
 1. Launch safehax from the list of homebrew