Missing question mark

Frequently-Asked-Questions.md

@@ -5,7 +5,7 @@
 - [What are the default paths?](#what-are-the-default-paths)
 - [What are the dependencies on Windows?](#what-are-the-dependencies-on-windows)
 - [How do I remove the log?](#how-do-i-remove-the-log)
-- [How do I stop ESC from closing the window](#how-do-i-stop-esc-from-closing-the-window)
+- [How do I stop ESC from closing the window?](#how-do-i-stop-esc-from-closing-the-window)
 - [How do I remove the console window?](#how-do-i-remove-the-console-window)
 - [How do I make a timer?](#how-do-i-make-a-timer)
 - [What do all the fields in `Camera2D` mean?](#what-do-all-the-fields-in-camera2d-mean)