diff --git a/docs/circuit.svg b/docs/circuit.svg
index 1c00b54..637ac0e 100644
--- a/docs/circuit.svg
+++ b/docs/circuit.svg
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg version="1.1" width="600" height="360" xmlns="http://www.w3.org/2000/svg">
 	<line x1="440" y1="80" x2="440" y2="130" style="stroke:rgb(0, 0, 0);stroke-linecap:square;stroke-width:2" />
@@ -72,7 +72,7 @@
 
 	<text x="90" y="90" style="font-family:monospace;font-size:11px;text-anchor:middle" dominant-baseline="middle">Arduino Micro</text>
 	<rect x="40" y="100" width="100" height="180" style="fill-opacity:0;stroke:rgb(0, 0, 0);stroke-width:2" />
-	
+
 	<line x1="30" y1="110" x2="40" y2="110" style="stroke:rgb(0, 0, 0);stroke-linecap:square;stroke-width:2" />
 	<text x="44" y="110" style="font-family:monospace;font-size:11px;text-anchor:start" dominant-baseline="middle">13</text>
 	<line x1="140" y1="110" x2="150" y2="110" style="stroke:rgb(0, 0, 0);stroke-linecap:square;stroke-width:2" />