diff --git a/extensions/hello-world/hello-world.c b/extensions/hello-world/hello-world.c
deleted file mode 100644
index e69de29..0000000
diff --git a/extensions/hello-world/extension.yaml b/kexts/hello-world/extension.yaml
similarity index 56%
rename from extensions/hello-world/extension.yaml
rename to kexts/hello-world/extension.yaml
index 1361e43..5de1bf3 100644
--- a/extensions/hello-world/extension.yaml
+++ b/kexts/hello-world/extension.yaml
@@ -1,4 +1,7 @@
 name: hello-world
+description: |
+  A sample kernel extension, demonstrating the structure of a kext.
+  No actual functionality.
 id: net.doorstuck.socks.hello-world
 license: BSD-3-Clause
 copyright: Copyright © Max Wash 2023
diff --git a/kexts/hello-world/hello-world.c b/kexts/hello-world/hello-world.c
new file mode 100644
index 0000000..c90d00c
--- /dev/null
+++ b/kexts/hello-world/hello-world.c
@@ -0,0 +1,8 @@
+#include <socks/printk.h>
+#include <socks/kext.h>
+
+kern_status_t online(struct kext *self)
+{
+	printk("Hello, world!");
+	return KERN_OK;
+}