diff --git a/README.md b/README.md
index 3f0823d..a1afbda 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ Set up Gradle 8.7 or later, and make `build.gradle` like below.
 
 ```
 plugins {
-    id "org.embulk.runset" version "0.1.0"  // Just apply this Gradle plugin.
+    id "org.embulk.runset" version "0.2.0"  // Just apply this Gradle plugin.
 }
 
 repositories {
@@ -20,11 +20,18 @@ repositories {
 }
 
 installEmbulkRunSet {
-    embulkHome file("path/to/embulk-home")  // Set your Embulk home directory (absolute path) to install the Embulk plugins.
+    // Set your Embulk home directory (absolute path) to install the Embulk plugins and "embulk.properties".
+    embulkHome file("/path/to/your-embulk-home")
 
     artifact "org.embulk:embulk-input-postgresql:0.13.2"
     artifact group: "org.embulk", name: "embulk-input-s3", version: "0.6.0"
+
+    // It downloads jruby-complete-9.1.15.0.jar, and set the "jruby" Embulk System Property in "embulk.properties".
+    jruby "org.jruby:jruby-complete:9.1.15.0"
+
+    // It sets the "key" Embulk System Property to "value" in "embulk.properties".
+    embulkSystemProperty "key", "value"
 }
 ```
 
-Run `./gradlew installEmbulkRunSet`, then.
+Run `./gradlew installEmbulkRunSet`, then the plugins and "embulk.properties" are set up in the `embulkHome` directory.