diff --git a/README.md b/README.md
index 400b5e6..34c3c41 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,15 @@
-# ST7567 I2C display driver
+# ST7567 display driver
 For esp-idf, same idea as the st7920 driver
 
-This is the I2C version, also see [SPI version](https://git.drath.cc/drath/esp-st7567-spi)
+For both SPI and I2C displays
 
 ## Usage
 
+I2C version
+
 ```c
+#include <st7567/st7567-i2c.h>
+
 i2c_master_bus_config_t bus_cfg = {
     .i2c_port = I2C_NUM_0,
     .sda_io_num = GPIO_NUM_21,
@@ -27,6 +31,19 @@ st7567_device_t dev;
 st7567_init(&cfg, &dev);
 st7567_set_backlight(&dev, true);
 
+st7567_draw_pixel(&dev, 10, 10);
+st7567_update_screen(&dev);
+```
+
+SPI version
+
+```c
+#include <st7567/st7567-spi.h>
+
+st7567_device_t dev;
+st7567_init(&cfg, &dev);
+st7567_set_backlight(&dev, true);
+
 st7567_draw_pixel(&dev, 10, 10);
 st7567_update_screen(&dev);
 ```
\ No newline at end of file