Update 02-update-PC.md

fix link to raw github script

Author: bmb

content/04-container-parallelcluster/02-update-PC.md

@@ -43,7 +43,7 @@ Click next twice to advance to the **Queues section**, here we're going to add a
 Next add in a script that installs Docker and Singularity on the Compute Nodes.
 
 1. Dropdown **Advanced Options** on the queue you just created.
-2. Paste in the following url into **On Configured** section `https://github.com/aws-samples/aws-hpc-tutorials/blob/isc22/static/scripts/post-install/container-install.sh`.
+2. Paste in the following url into **On Configured** section `https://raw.githubusercontent.com/aws-samples/aws-hpc-tutorials/isc22/static/scripts/post-install/container-install.sh`.
 3. Expand **IAM Policies** and paste in the following policy `arn:aws:iam::aws:policy/AmazonEC2ContainerRegistryFullAccess`. Click Add.
 4. Click **Next** to continue to the **Update** section.