Add steps for configuring git

03_01.md

@@ -12,14 +12,19 @@ Give your Maven installation a name and check the option to `Install automatical
 # Setting up the Jenkins Job
 Create a freestyle job and configure it as follows:
 
-1. Add a build step using `Invoke Top-Level Maven Target`.
-2. For the goal, enter `package`.
-3. Add a build step to run the compiled package:
+1. Under `Source Code Management`, select `Git` and enter the following URL:
+```
+https://github.com/managedkaos/apache-maven-hello-world
+```
+2. *MAKE SURE TO SET THE `Branch Specifier` to `*/main`*.
+3. Add a build step using `Invoke Top-Level Maven Target`.
+4. For the goal, enter `package`.
+5. Add a build step to run the compiled package:
 - *FOR WINDOWS*: Use the `Execute Windows batch command` build step
 - FOR macOS, Linux, and Docker: Use the `Execute shell` build step
-4. Enter the following command:
+6. Enter the following command:
 ```
 java -cp target/hello-1.0-SNAPSHOT.jar com.learningjenkins.App
 ```
-5. Save the job and start a build.
+7. Save the job and start a build.