diff --git a/External-LED.md b/External-LED.md
index 2991c12..458359d 100644
--- a/External-LED.md
+++ b/External-LED.md
@@ -12,9 +12,9 @@ Connect a LED to 5v with a resistor rated for your LED.
 
 There are a few options which require soldering.
 
-### Use the latest firmware & connect to `PA0`
+### Use the latest firmware & connect to Pin `A0`
 
-If you are on the latest firmware you can use the same pin, `PA0` as 1.1 does, you will have to solder it yourself. Remember to add an appropriate resistor between 300-500ohms.
+If you are on the latest firmware you can use the same pin, `A0` as 1.1 does, you will have to solder it yourself. Remember to add an appropriate resistor between 300-500ohms.
 
 ### Remove existing LED