diff --git a/plugin_example/Makefile b/plugin_example/Makefile
index 9499b3e..692bae6 100644
--- a/plugin_example/Makefile
+++ b/plugin_example/Makefile
@@ -1,8 +1,14 @@
 
-demo: plugin/plugin.so
-	go run .
+run-demo: demo
+	./demo
+
+demo: *.go plugin/plugin.so
+	go build -o demo .
+	go version -m ./demo
+
 
 plugin/plugin.so:
 	make -C plugin
 
-
+clean:
+	rm demo plugin/plugin.so
diff --git a/plugin_example/extensible_main.go b/plugin_example/extensible_main.go
index f958f88..9691cc1 100644
--- a/plugin_example/extensible_main.go
+++ b/plugin_example/extensible_main.go
@@ -1,3 +1,6 @@
+// Basic demo of dynamic code loading using https://pkg.go.dev/plugin
+// requires cgo enabled build.
+
 package main
 
 import (
diff --git a/plugin_example/plugin/Makefile b/plugin_example/plugin/Makefile
index 4d52220..76f5306 100644
--- a/plugin_example/plugin/Makefile
+++ b/plugin_example/plugin/Makefile
@@ -1,3 +1,4 @@
 
 plugin.so: plugin.go
 	go build -buildmode=plugin -o plugin.so plugin.go
+	go version -m ./plugin.so