Fix typo

commit c2d9f837a42b5b198062805a0dde2efa778378f7
Author: Julie Zelenski <[email protected]>
Date:   Sun Jan 12 16:28:43 2025 -0800

    Fix typo

Author: zelenski

labs/lab1/README.md

@@ -47,7 +47,7 @@ To prepare, please do the following before coming to lab:
         -  [powering the Pi](/guides/power)
         -  [using the xfel bootloader](/guides/xfel) to send programs to the Pi
         -  [one page of RISC-V](/guides/riscv-onepage) assembly
-1. When you arrive at lab, check that your Stanford ID card is registered with the card reader. When you place your card on the reader, it should blink green and unlock the door. Follow up our [Ed post](https://edstem.org/us/courses/70346/discussion/5951074)
+1. When you arrive at lab, check that your Stanford ID card is authorized. When you place your card on the reader, it should blink green and unlock the door. If your card does not work, see our [Ed post](https://edstem.org/us/courses/70346/discussion/5951074) for followup.
 
 ## Lab exercises