Small fixes to Getting Started guides;

guides/Getting_Started.md

@@ -39,8 +39,8 @@ Create a file called `main.lua` in a project folder and type the following Lua c
     end
 
 Don't worry if you're confused about the code, it's not important to understand it all right now.
-In short, we declared the `lovr.draw` callback and used `lovr.graphics.print` in there to render
-some text in the world.  We'll learn more about how this works in the next guide.
+In short, we declared the `lovr.draw` callback and used `Pass:text` in there to render some text in
+the world.  We'll learn more about how this works in the next guide.
 
 Running a Project
 ---

guides/Getting_Started_(Quest).md

@@ -23,9 +23,7 @@ Download the latest Android APK from the [Downloads page](https://lovr.org/downl
 
 Install it to the device:
 
-```
-$ adb install lovr.apk
-```
+    $ adb install lovr.apk
 
 Try running it by navigating to the "Library" -> "Unknown Sources" menu of the headset and running
 the `org.lovr.app` app.  You should see the no game screen.