General improvements to CONTRIBUTING.MD (microsoft#55)

Fix typo in contributing guide

CONTRIBUTING.md

@@ -3,18 +3,18 @@ To contribute to this GitHub project, you can follow these steps:
 
 1. Fork the repository you want to contribute to by clicking the "Fork" button on the project page.
 
-2. Clone the repository to your local machine using the following command:
+2. Clone the repository to your local machine and enter the newly created repo using the following commands:
 
 ```
-git clonehttps://github.com/microsoft/JARVIS
+git clone https://github.com/YOUR-GITHUB-USERNAME/JARVIS
+cd JARVIS
 ```
 3. Create a new branch for your changes using the following command:
 
 ```
 git checkout -b "branch-name"
 ```
 4. Make your changes to the code or documentation.
-- Example: Improve User Interface or Add Documentation.
 
 5. Add the changes to the staging area using the following command:
 ```
@@ -45,8 +45,8 @@ git push origin branch-name
 
 ```
 git fetch upstream
-git checkout master
-git merge upstream/master
+git checkout main
+git merge upstream/main
 ```
 Finally, delete the branch you created with the following command:
 ```