Merge pull request #765 from arduino/karlsoderby/iot-carrier-r2-fixes

Update MKR IoT carrier link

Author: karlsoderby

content/hardware/01.mkr/03.carriers/mkr-iot-carrier-rev2/downloads/ABX0073-cad-files.zip renamed to content/hardware/01.mkr/03.carriers/mkr-iot-carrier-rev2/downloads/ABX00073-cad-files.zip

@@ -43,7 +43,7 @@ The chosen Arduino MKR board needs to be mounted on top of the MKR IoT Carrier R
 
 The full datasheet is available as a downloadable PDF from the link below:
 
-- [Download the Arduino MKR IoT Carrier Rev2 datasheet](https://docs.arduino.cc/resources/datasheet/ABX00073-datasheet.pdf)
+- [Download the Arduino MKR IoT Carrier Rev2 datasheet](https://docs.arduino.cc/resources/datasheets/ABX00073-datasheet.pdf)
 
 ## Arduino IoT Cloud
 
@@ -116,7 +116,7 @@ void setup() {
 
 ## BME688 Environmental Sensor
 
-![The HTS221 Humidity Sensor on the MKR IoT Carrier Rev2](assets/bme-688.png)
+![The BME688 Humidity Sensor on the MKR IoT Carrier Rev2](assets/bme-688.png)
 
 The **[BME688 Environmental Sensor](https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme688-ds000.pdf)** is a 4 in 1 sensor capable of providing the following measurements:
 - **Humidity**, 0‒100% r.H.