diff --git a/APDS-9960.md b/APDS-9960.md
index 5c15e9a6..f7ccaabd 100644
--- a/APDS-9960.md
+++ b/APDS-9960.md
@@ -16,16 +16,16 @@ behind dark glass
   * Offset compensation
   * Programmable driver for IR LED current
   * 32 dataset storage FIFO
-  * Interrupt driven I2C communication
-* I2C-bus Fast Mode Compatible Interface
+  * Interrupt driven I<sup>2</sup>C communication
+* I<sup>2</sup>C-bus Fast Mode Compatible Interface
   * Data Rates up to 400 kHz
   * Dedicated Interrupt Pin
 * Small Package L 3.94 × W 2.36 × H 1.35 mm
 
 
 * Break-out PCBs
-  * ~ 2,- € at [AliExpress](https://www.aliexpress.com/wholesale?catId=0&initiative_id=&SearchText=apds-9960)
-  * ~ 8,- $ at [Adafruit](https://www.adafruit.com/product/3595)
+  * ~ 2€ at [AliExpress](https://www.aliexpress.com/wholesale?catId=0&initiative_id=&SearchText=apds-9960)
+  * ~ $8 at [Adafruit](https://www.adafruit.com/product/3595)
 
 ## Technical Data from the manufacturer
 * [APDS-9960 Datasheet](https://docs.broadcom.com/docs/AV02-4191EN)
@@ -35,17 +35,17 @@ behind dark glass
 |----------|-----------|
 | VCC/VIN  | +3.3VDC   |
 | GND      | GND       |
-| SCL      | GPIO SCL  |
-| SDA      | GPIO SDA  |
+| SCL      | GPIO I<sup>2</sup>C SCL  |
+| SDA      | GPIO I<sup>2</sup>C SDA  |
 | INT/IRQ  | NC        |
 
 ### Tasmota configuration
 Compile Tasmota with `#define USE_APDS9960` uncommented in `user_config.h`
 
 The driver will detect the APDS-9960 automatically.
-The APDS-9960 chip (or breakout board) must be connected to the ESP8266 and the I2C GPIO pins must be configured:
+The APDS-9960 chip (or breakout board) must be connected to the ESP8266 and the I<sup>2</sup>C GPIO pins must be configured:
 
-![I2C GPIO configuration](https://raw.githubusercontent.com/arendst/arendst.github.io/master/media/wemos/wemos_sht30_config_marked.jpg)
+![I<sup>2</sup>C GPIO configuration](https://raw.githubusercontent.com/arendst/arendst.github.io/master/media/wemos/wemos_sht30_config_marked.jpg)
 
 ### MQTT commands
 | Command | Value | Description |