Updating a link in the comments; no functional change.

llvm-svn: 185013
diff --git a/clang/lib/Analysis/ThreadSafety.cpp b/clang/lib/Analysis/ThreadSafety.cpp
index 3a3e1d3..7165aae 100644
--- a/clang/lib/Analysis/ThreadSafety.cpp
+++ b/clang/lib/Analysis/ThreadSafety.cpp
@@ -10,8 +10,8 @@
 // A intra-procedural analysis for thread safety (e.g. deadlocks and race
 // conditions), based off of an annotation system.
 //
-// See http://clang.llvm.org/docs/LanguageExtensions.html#threadsafety for more
-// information.
+// See http://clang.llvm.org/docs/LanguageExtensions.html#thread-safety-annotation-checking
+// for more information.
 //
 //===----------------------------------------------------------------------===//