diff --git a/agent/src/main/java/com/intergral/deep/agent/grpc/GrpcService.java b/agent/src/main/java/com/intergral/deep/agent/grpc/GrpcService.java
index 7aace4f..7490224 100644
--- a/agent/src/main/java/com/intergral/deep/agent/grpc/GrpcService.java
+++ b/agent/src/main/java/com/intergral/deep/agent/grpc/GrpcService.java
@@ -68,6 +68,9 @@ public void start() {
     }
   }
 
+  /**
+   * Shutdown the grpc channel.
+   */
   public void shutdown() {
     if (this.channel == null) {
       return;