diff --git a/debugger/util/argument_parser.js b/debugger/util/argument_parser.js
index af7bf30..10ca91b 100644
--- a/debugger/util/argument_parser.js
+++ b/debugger/util/argument_parser.js
@@ -10,6 +10,12 @@ const {
   ArrayPrototypeJoin,
 } = primordials;
 
+const {
+  exitCodes: {
+    kGenericUserError,
+  },
+} = internalBinding('errors');
+
 function parseBoolean(value) {
   return value === 'true' || value === '1' || value === 'yes';
 }
@@ -75,6 +81,9 @@ function parseArguments(argv) {
   return {...options, ...legacyArguments};
 }
 
+// the legacy `node inspect` options assumed the first argument was the target
+// to avoid breaking existing scripts, we maintain this behavior
+
 function processLegacyArgs(args) {
   const target = ArrayPrototypeShift(args);
   let host = '127.0.0.1';