diff --git a/2024/09/plugin_demo1/plugin-demo1-core/src/main/java/pl/polgrabia/demos/PluginRunner.java b/2024/09/plugin_demo1/plugin-demo1-core/src/main/java/pl/polgrabia/demos/PluginRunner.java
index 337fed7..286ca04 100644
--- a/2024/09/plugin_demo1/plugin-demo1-core/src/main/java/pl/polgrabia/demos/PluginRunner.java
+++ b/2024/09/plugin_demo1/plugin-demo1-core/src/main/java/pl/polgrabia/demos/PluginRunner.java
@@ -7,6 +7,10 @@ public class PluginRunner {
     private static final Logger logger = LoggerFactory.getLogger(PluginRunner.class);
     private final PluginRunnerConfig config;
 
+    /**
+     * Create plugin with the given config
+     * @param config plugin runner config to create with
+     */
     public PluginRunner(PluginRunnerConfig config) {
         this.config = config;
     }
@@ -16,6 +20,9 @@ public class PluginRunner {
                 .execute();
     }
 
+    /**
+     * Execute plugin runner
+     */
     public void execute() {
         logger.info("Started runner id: {}, name: {}", config.id(), config.name());
     }
diff --git a/2024/09/plugin_demo1/plugin-demo1-core/src/main/java/pl/polgrabia/demos/PluginRunnerConfig.java b/2024/09/plugin_demo1/plugin-demo1-core/src/main/java/pl/polgrabia/demos/PluginRunnerConfig.java
index 7d55b4b..7a2f3f0 100644
--- a/2024/09/plugin_demo1/plugin-demo1-core/src/main/java/pl/polgrabia/demos/PluginRunnerConfig.java
+++ b/2024/09/plugin_demo1/plugin-demo1-core/src/main/java/pl/polgrabia/demos/PluginRunnerConfig.java
@@ -1,7 +1,16 @@
 package pl.polgrabia.demos;
 
+/**
+ * Plugin runner config
+ */
 public record PluginRunnerConfig(
+		/**
+		 * id of the plugin runner
+		 */
         String id,
+        /**
+         * name of the plguin runner
+         */
         String name
 ) {