diff --git a/hw/arm/mps2-tz.c b/hw/arm/mps2-tz.c
index e287ad4d06..4017392bf5 100644
--- a/hw/arm/mps2-tz.c
+++ b/hw/arm/mps2-tz.c
@@ -32,7 +32,7 @@
  * Application Note AN524:
  * https://developer.arm.com/documentation/dai0524/latest/
  * Application Note AN547:
- * https://developer.arm.com/-/media/Arm%20Developer%20Community/PDF/DAI0547B_SSE300_PLUS_U55_FPGA_for_mps3.pdf
+ * https://developer.arm.com/documentation/dai0547/latest/
  *
  * The AN505 defers to the Cortex-M33 processor ARMv8M IoT Kit FVP User Guide
  * (ARM ECM0601256) for the details of some of the device layout: