diff --git a/riscv-blink/src/crt0-vexriscv.S b/riscv-blink/src/crt0-vexriscv.S
index 631b6a2..1b4a792 100644
--- a/riscv-blink/src/crt0-vexriscv.S
+++ b/riscv-blink/src/crt0-vexriscv.S
@@ -6,8 +6,8 @@
 
 _start:
   j crt_init
-  .word 0xb469075a
-  .word 0x00000020
+  .word 0xb469075a // Magic value for config flags
+  .word 0x00000020 // USB_NO_RESET flag so we can attach the debugger
 
 .section .text
 .global  trap_entry