Update 3_rdv3_sw_build.md

Author: pareenaverma

content/learning-paths/servers-and-cloud-computing/neoverse-rdv3-swstack/3_rdv3_sw_build.md

@@ -19,9 +19,9 @@ sudo apt update
 sudo apt install -y curl git
 ```
 
-Configure git:
+Configure git(optional):
 
-```
+```bash
 git config --global user.name "<your-name>"
 git config --global user.email "<[email protected]>"
 ```