MPAE-19433 fix Curiosity Nano Explorer pdf link

Author: Glen-Nilsen

README.md

@@ -45,7 +45,7 @@ Example Components are a tight integration of learning material directly into MC
 - [MCC Melody I<sup>2</sup>C Example Component (for the Curiosity Nano Explorer)](https://onlinedocs.microchip.com/v2/keyword-lookup?keyword=I2C.HOST.EXAMPLE.COMPONENT&version=latest&redirect=true "MCC Melody I<sup>2</sup>C Example Component for the Curiosity Nano Explorer")
 - [MCC Melody Design Patterns for Control Flow](https://onlinedocs.microchip.com/g/GUID-7CE1AEE9-2487-4E7B-B26B-93A577BA154E "MCC Melody Design Patterns for Control Flow")
 
-- [Curiosity Nano Explorer User Guide](https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/UserGuides/AVR128DB48-Curiosity-Nano-HW-UserGuide-DS40002186B.pdf "Curiosity Nano Explorer Users Guide")
+- [Curiosity Nano Explorer User Guide](https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/UserGuides/CNANO-Explorer-UserGuide-DS50003716.pdf "Curiosity Nano Explorer Users Guide")
 
 - [AVR128DB48 Data Sheet](https://ww1.microchip.com/downloads/en/DeviceDoc/AVR128DB28-32-48-64-DataSheet-DS40002247A.pdf "AVR128DB48 Data Sheet")