From 392ae6fb46d44f38d392472a62be35f17a0abadc Mon Sep 17 00:00:00 2001
From: ploopyco <54917504+ploopyco@users.noreply.github.com>
Date: Mon, 28 Oct 2019 18:04:10 -0400
Subject: [PATCH] changed square pin ascii

---
 Appendix-C:-Firmware-programming.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Appendix-C:-Firmware-programming.md b/Appendix-C:-Firmware-programming.md
index cf0d057..b15cc93 100644
--- a/Appendix-C:-Firmware-programming.md
+++ b/Appendix-C:-Firmware-programming.md
@@ -18,7 +18,7 @@ The Arduino Nano offers a very simple and easy way of programming the microcontr
 The base PCB has a 6-pin ICSP header. The pins are numbered like this:
 
 ```
- 1 -> ?  o <- 2
+ 1 -> ■  o <- 2
  3 -> o  o <- 4
  5 -> o  o <- 6
 ```