Update README.md

README.md

@@ -34,7 +34,7 @@ include:
     shield: sweep_central_dongle dongle_display
 ```
 
-This shield assumes that the dongle is already set up and functioning with the built-in status screen.
+This shield assumes that the [dongle](https://zmk.dev/docs/development/hardware-integration/dongle) is already set up and functioning with the built-in status screen.
 For setup examples, refer to the shields in my [`zmk-config`](https://github.com/englmaxi/zmk-config/tree/master/boards/shields).
 - If you are using the larger 1.3" OLED, replace `solomon,ssd1306fb` with `sinowealth,sh1106` and set `segment-offset = <2>`.
 - If you are using a nice!nano, replace `xiao_i2c` with `pro_micro_i2c`.