diff --git a/docs/drivers.rst b/docs/drivers.rst
index 43fbd3b990..86d0e428b4 100644
--- a/docs/drivers.rst
+++ b/docs/drivers.rst
@@ -8,8 +8,8 @@ These are drivers available in separate GitHub repos.
Register Library
RGB Displays
Analog-to-digital converters: ADS1015 and ADS1115
- Real-time Clock modules
- DS3231 Real-time Clock
+ DS3231 Real-time Clock (Precision RTC)
+ PCF8523 Real-time Clock (Adalogger RTC)
TCS34725 Color Sensor
TSL2561 Light Sensor
PCA9685 Motor and Servo Controllers