diff --git a/src/MainForm.cs b/src/MainForm.cs
index fa2f77c..8819022 100644
--- a/src/MainForm.cs
+++ b/src/MainForm.cs
@@ -158,7 +158,7 @@ namespace processor
         /// Loads hexadecimal CPU instructions to RAM
         /// </summary>
         /// <param name="codes"></param>
-        private void LoadHexCode(List<string> codes)
+        private void LoadHexCode(IReadOnlyList<string> codes)
         {
             int j = 0;
             for (int i = 0; i < codes.Count; i++)
@@ -241,4 +241,7 @@ namespace processor
             }
         }
     }
-}
\ No newline at end of file
+}
+
+/*
+*/
\ No newline at end of file