Fix up sendgrid README

Jerjou Cheng · Jerjou Cheng · commit 68e1f8682981 · 2016-10-28T11:32:35.000-07:00
diff --git a/compute/sendgrid/README.md b/compute/sendgrid/README.md
@@ -11,7 +11,7 @@ For more information about SendGrid, see their
 
 [sample-docs]: https://cloud.google.com/compute/docs/tutorials/sending-mail/using-sendgrid
 
-## Running on Compute Engine 
+## Running on Compute Engine
 
 To run the sample, you will need to do the following:
 
@@ -20,17 +20,30 @@ To run the sample, you will need to do the following:
 1. Create a compute instance on the Google Cloud Platform Developer's Console
 1. SSH into the instance you created
 1. Update packages and install required packages
-    sudo apt-get update && sudo apt-get install git-core openjdk-8-jdk maven
+
+        sudo apt-get update && sudo apt-get install git-core openjdk-8-jdk maven
+
 1. Clone the repo
-    git clone https://github.com/GoogleCloudPlatform/java-docs-samples.git
-1. Configure your SendGrid settings in the java class (SENDGRID_API_KEY, SENDGRID_SENDER, TO_EMAIL)
-    java-docs-samples/compute/sendgrid/src/main/java/com/example/compute/sendgrid/SendEmailServlet.java
-1. Navigate back to ./sendgrid and use maven to package the class as a jar
-    mvn clean package
+
+        git clone https://github.com/GoogleCloudPlatform/java-docs-samples.git
+
+1. Configure your SendGrid settings in the java class (`SENDGRID_API_KEY`,
+   `SENDGRID_SENDER`, `TO_EMAIL`)
+
+        java-docs-samples/compute/sendgrid/src/main/java/com/example/compute/sendgrid/SendEmailServlet.java
+
+1. Navigate back to `./sendgrid` and use maven to package the class as a jar
+
+        mvn clean package
+
 1. Switch to the target directory with the jar file and enable execution on that file
-    chmod +x compute-sendgrid-1.0-SNAPSHOT-jar-with-dependencies.jar
+
+        chmod +x compute-sendgrid-1.0-SNAPSHOT-jar-with-dependencies.jar
+
 1. Make sure that openjdk 8 is the selected java version
-    sudo update-alternatives --config java
+
+        sudo update-alternatives --config java
+
 1. Execute the jar file and send an email (make sure you are in the target folder)
-    java -jar compute-sendgrid-1.0-SNAPSHOT-jar-with-dependencies.jar
 
+        java -jar compute-sendgrid-1.0-SNAPSHOT-jar-with-dependencies.jar
