Merge pull request espressif#1 from oaustegard/patch-1

Fixed broken link in README section 3.5

Author: dhavalgujar

README.md

@@ -69,7 +69,7 @@ You may also need the following items:
 
 ## 3.5 Additional Hardware References
 
-Refer to the [ESP32-C3 Hardware Reference](https://xespressif.com/projects/esp-idf/en/latest/esp32c3/hw-reference/esp32c3/user-guide-devkitm-1.html#hardware-reference), for more information on the hardware.
+Refer to the [ESP32-C3 Hardware Reference](https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/hw-reference/esp32c3/user-guide-devkitm-1.html#hardware-reference), for more information on the hardware.
 
 ## 3.6 Set up your hardware
 
@@ -395,4 +395,4 @@ The file `otw.py` needed for carrying out the OTW upgrade is [available](tools/o
 
 1. If you are not able to establish connection over the UART using microUSB port on the ExpressLink board in step 5a, you will need to download the drivers for it and check the additional information for your operating system in the [Establish Serial Connection](https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/get-started/establish-serial-connection.html) guide.
 
-2. For common AT command issues, please refer to AWS IoT ExpressLink FAQ page.
+2. For common AT command issues, please refer to AWS IoT ExpressLink FAQ page.