diff --git a/llvm-pass/llvm-tracing/README.md b/llvm-pass/llvm-tracing/README.md
index 9a2b978..15cc8c5 100644
--- a/llvm-pass/llvm-tracing/README.md
+++ b/llvm-pass/llvm-tracing/README.md
@@ -15,5 +15,5 @@ An LLVM pass doing loop resource minimum II (ResMII) and recurrence minimum II (
 
 
 ## Code API references:
-1. https://llvm.org/doxygen/LoopUnrollPass_8cpp_source.html  
+1. https://llvm.org/doxygen/DependenceAnalysis_8cpp_source.html#l00591