add todo

Author: rochdev

packages/datadog-instrumentations/src/dd-trace-api.js

@@ -3,4 +3,5 @@
 const { addHook } = require('./helpers/instrument')
 
 // Empty hook just to make the plugin load.
+// TODO: Add version range when the module is released on npm.
 addHook({ name: 'dd-trace-api' }, api => api)