fix typo

README.md

@@ -147,7 +147,7 @@ You'll need Xcode 13 in order to build and run xcodes.
 
 <details>
 <summary>Using Xcode</summary>
-Even though xcodes is a command-line app, lll of the normal functionality works in Xcode, like building, running, and running tests. You can even type text into Xcode's console when it prompts you for input like your Apple ID or 2FA code.
+Even though xcodes is a command-line app, all of the normal functionality works in Xcode, like building, running, and running tests. You can even type text into Xcode's console when it prompts you for input like your Apple ID or 2FA code.
 
 When running xcodes from Xcode, if you want to run a particular command or pass some arguments, you can hold the option key to present a sheet with more options. This means you'd use <kbd>Option</kbd> + <kbd>Command</kbd> + <kbd>R</kbd> or hold <kbd>Option</kbd> while clicking the Run button. Here you can add, remove, and toggle arguments that will be passed to xcodes when it's launched.