Fix spelling

Author: quirky-bluejay

docs/quickstart.rst

@@ -56,7 +56,7 @@ slash commands just yet. We can do that by adding this code shown here:
 
 .. note::
     In this example we responded directly to the interaction, however if you want to delay the response (if you need more than 3 seconds before sending a message)
-    you can defer the response for up to 15 miniuties with :meth:`ctx.defer() <.SlashContext.defer()>`, this displays a "Bot is thinking" message.
+    you can defer the response for up to 15 minutes with :meth:`ctx.defer() <.SlashContext.defer()>`, this displays a "Bot is thinking" message.
     However do not defer the response if you will be able to respond (send) within three seconds as this will cause a message to flash up
 
 Let's compare some of the major code differences between the prior examples in order