minor cleanup

Author: s-sajid-ali

docs/hpc/03_navigating_the_cluster/02_hpc_foundations.md

@@ -7,13 +7,9 @@ sidebar_position: 2
 
 The goal of this exercise is to help you understand the fundamentals of effecively navigating the cluster for your research or academic projects.
 
-Before we begin this exercise please make sure you have access to the NYU HPC cluster, if not please review the [Accessing HPC page](../02_connecting_to_hpc/01_connecting_to_hpc.md).
+Before we begin this exercise please make sure you have access to the NYU HPC cluster, if not please review the section on [connecting to the HPC cluster](../02_connecting_to_hpc/01_connecting_to_hpc.md).
 
-Login to the Greene cluster with ssh at :
-> Accessible under NYU Net ( either via VPN or within campus network )
-```sh
-greene.hpc.nyu.edu
-```
+Login to the Greene cluster as described in the section on [connecting to the HPC cluster](../02_connecting_to_hpc/01_connecting_to_hpc.md)
 
 Once logged in, you should notice the **_node_** which you are currently on from the _bash prompt_ as shown below :
 
@@ -106,8 +102,8 @@ Connection to log-1 closed.
 3.  Now you are back to your **_previous login_** node, in this example log-3, that is your previous **_bash shell_**
 :::tip[Why is this imporatant to understand?]
 Because this will build your foundations in understanding the different kinds of nodes that exists and how you should use them for your projects
-::::
 :::
+::::
 
 ### Other File Systems