diff --git a/RaspberryPiZero_bcm2835/index.html b/RaspberryPiZero_bcm2835/index.html
index 0c4c14bf29e13a1841ad5bc9dc4ba9de7a98068c..f69ea3fbd9081f409a843e335a6ea8334ce6a14d 100644
--- a/RaspberryPiZero_bcm2835/index.html
+++ b/RaspberryPiZero_bcm2835/index.html
@@ -28,8 +28,8 @@ pre code {
 // gcc -o ring ring.c -l bcm2835
 //run:
 // sudo ./ring
-#include <bcm2835.h>
-#include <stdio.h>
+#include &ltbcm2835.h&gt
+#include &ltstdio.h&gt
 #define PIN_OUT RPI_GPIO_P1_11
 #define PIN_IN RPI_GPIO_P1_15