diff --git a/doc/tuning.md b/doc/tuning.md
index 53e682bb436294839855a566e3a8f2c6e295cea6..5125387d0b7769caae06949d05c17002796df3a4 100644
--- a/doc/tuning.md
+++ b/doc/tuning.md
@@ -1,7 +1,7 @@
 # Tuning Guide
 
 ## Content Overview
-* [Windows](windows)
+* [Windows](#windows)
 * [NVIDIA Backend](#nvidia-backend)
   * [Choose Value for `threads` and `blocks`](#choose-value-for-threads-and-blocks)
   * [Add more GPUs](#add-more-gpus)