Fixing links

src/docs/background.md

@@ -2,6 +2,7 @@
 title: "Background"
 ---
 
+Some of the instructions in this tutorial may be outdated. Please feel free to [leave an issue to correct these](https://eicweb.phy.anl.gov/EIC/tutorials/eic_tutorial/-/issues).
 
 ## The "Framework" Question
 

src/docs/index.mdx

@@ -15,9 +15,9 @@ together to get some results and serve as a jumping off point for further develo
 
 - [Quick start](getting-started/quickstart) - Start here to download software and configure your development environment.
 
-- [Part 1](part1.md) - An introduction to the detector description starting with a simple detector. 
+- [Part 1](part1/simple_detector.md) - An introduction to the detector description starting with a simple detector. 
 
-- [Part 2](part2.md) - This tutorial shows how to add new parameterized detectors to a library of generic detectors (NPdet).
+- [Part 2](part2/adding_detectors.md) - This tutorial shows how to add new parameterized detectors to a library of generic detectors (NPdet).
 
 
 ## Background Discussion