diff --git a/README.md b/README.md
index 72c5c01..dbdad8f 100644
--- a/README.md
+++ b/README.md
@@ -154,6 +154,8 @@ Thanks for your donation! We'll get the greatest power from your encourage!
 
 [- 3-16.4 Bluetooth Audio connection lost](./README.md#3-164-bluetooth-audio-connection-lost)
 
+[- 3-16.5 USB mass storage boot problem](./README.md#3-165-usb-mass-storage-boot-problem)
+
 [3-17. Extra Application Instructions](./README.md#3-17-extra-application-instructions)
 
 [- 3-17.1 WPS Office Arm 64-bit Desktop Installation Note](./README.md#3-171-wps-office-arm-64-bit-desktop-installation-note)
@@ -1417,7 +1419,7 @@ systemctl mask  bluealsa.service
 
 #### 3-16.5 USB mass storage boot problem
 
-If you met a problem from USB mass storage to boot, pls read [here](#.//docs/pi4-usb-boot-problems.md) to fix the problem.
+If you met a problem from USB mass storage to boot, pls read [here](#../docs/pi4-usb-boot-problems.md) to fix the problem.
 
 ### 3-17. Extra Application Instructions