diff --git a/tutorials/prerequisites.md b/tutorials/prerequisites.md
index 5c55343..88b46c5 100644
--- a/tutorials/prerequisites.md
+++ b/tutorials/prerequisites.md
@@ -8,14 +8,12 @@ To follow along hands-on during the Workshop, please do the following (20 minute
 
 1. **GitHub username**
     - Create a GitHub account (if you don’t already have one) at <https://github.com>. Follow optional [advice on choosing your username](https://happygitwithr.com/github-acct.html)
-    - Your GitHub username is used to enable you access to a cloud environment during the workshop. 
+    - Your GitHub username is used to enable you access to a cloud environment during the workshop. To gain access, please request access to the NASA Openscapes JupyterHub using [this form](https://forms.gle/Su2p7BQhwnf9Fufb8). 
 2. **Earthdata Login account** 
     - Create an Earthdata Login account (if you don't already have one) at <https://urs.earthdata.nasa.gov>
     - Remember your username and password; you will need to download or access cloud data during the workshop and beyond.
 3. **Netrc file**
-    - Create a netrc file using your Earthdata login credentials using the [instruction](https://nasa-openscapes.github.io/2022-Fall-ECOSTRESS-Cloud-Workshop/how-tos/authentication/NASA_Earthdata_Authentication.html).
     - This file is needed to access NASA Earthdata assets from a scripting environment like Python.
+    - There are multiple methods to create a .netrc file. For this workshop, `earthaccess` package is used to automatically create a netrc file using your Earthdata login credentials if one does not exist. There are detailed instruction available for creating a .netrc file using other methods [here](https://nasa-openscapes.github.io/2022-Fall-ECOSTRESS-Cloud-Workshop/how-tos/authentication/NASA_Earthdata_Authentication.html).
 4. **Laptop or tablet** 
     - Participation in the exercises requires a laptop or tablet. Yes, a tablet works too! All participants will have access to a 2i2c Jupyter Lab instance running in AWS us-west 2.
-5. **Slack** 
-    - The event Slack channel