diff --git a/docs/modules/u8g2.md b/docs/modules/u8g2.md
index 53860cafb..b92cdf43a 100644
--- a/docs/modules/u8g2.md
+++ b/docs/modules/u8g2.md
@@ -601,3 +601,13 @@ See [u8g2 setFontRefHeightText()](https://github.com/olikraus/u8g2/wiki/u8g2refe
 Activate or disable power save mode of the display.
 
 See [u8g2 setPowerSave()](https://github.com/olikraus/u8g2/wiki/u8g2reference#setpowersave).
+
+## u8g2.disp:updateDisplay()
+Updates the display.
+
+See [u8g2 updateDisplay()](https://github.com/olikraus/u8g2/wiki/u8g2reference#updateDisplay).
+
+## u8g2.disp:updateDisplayArea()
+Updates the specified rectangle area of the display.
+
+See [u8g2 updateDisplayArea()](https://github.com/olikraus/u8g2/wiki/u8g2reference#updateDisplayArea).