update micropython function reference
@@ -211,7 +211,7 @@ while gu.is_pressed(gu.SWITCH_A):
The image on the PicoGraphics object provided is copied to the interleaved framebuffer with gamma correction applied.
-For example (assuming you've set up your Galactic Unicorn and PicoGraphics objects up as ![we did above](#imports-and-objects):
+For example (assuming you've set up your Galactic Unicorn and PicoGraphics objects up as [we did above](#imports-and-objects):
```python
gu.update(graphics)
