Update README.md

Author: iamenochlee

3-column-preview-card-component-main/README.md

@@ -1,6 +1,6 @@
-# Frontend Mentor - QR code component solution
+# Frontend Mentor - 3-column-preview-card-component
 
-This is a solution to the [QR code component challenge on Frontend Mentor](https://www.frontendmentor.io/challenges/qr-code-component-iux_sIO_H). Frontend Mentor challenges help you improve your coding skills by building realistic projects.
+This is a solution to the [3-column-preview-card-component](https://www.frontendmentor.io/challenges/3column-preview-card-component-pH92eAR2-/hub/3columnpreviewcardcomponent-pGo6fD8l99). Frontend Mentor challenges help you improve your coding skills by building realistic projects.
 
 ### Screenshot