Added architecture FAQ

Author: verburgt

docs/userguides/scholar/scholar-spark.md

@@ -6,12 +6,11 @@ authors:
 date:
   created: 2026-06-11
   updated: 2026-06-11
-search:
-  exclude: true
 resource: Scholar
 host: scholar.rcac.purdue.edu
 search:
   boost: 2
+  exclude: true
 ---
 
 # Scholar Spark Nodes
@@ -324,10 +323,18 @@ module load modtree/spark
 
 If you have built or downloaded your own applications, please rebuild any applications on a Spark node, or check for an `aarch64` distribution of your software.
 
+### How can I check the architecture of the node I'm running on?
+
+Since Scholar has nodes with `x86_64` architecture and `aarch64` architecture, you can use the following command to print the architecture of the node you are currently running on.
+ 
+```bash linenums="0"
+uname -m
+```
+
 
 ### How can I separate my `x86_64` applications from `aarch64` applications?
 
-If you plan on working on both `aarch64` and `x86_64` nodes, we strongly reccomend separating applications and configurations in separate directories. 
+If you plan on working on both `aarch64` and `x86_64` nodes, we strongly recommend separating applications and configurations in separate directories. 
 
 For example, you may choose to make separate `bin` directories for `x86_64` and `aarch64` applications. In your `~/.bash_profile` file, you can then source the correct applications based on the architecture: