diff --git a/clang-tools-extra/docs/clang-tidy/checks/concurrency-async-fs.rst b/clang-tools-extra/docs/clang-tidy/checks/concurrency-async-fs.rst
--- a/clang-tools-extra/docs/clang-tidy/checks/concurrency-async-fs.rst
+++ b/clang-tools-extra/docs/clang-tidy/checks/concurrency-async-fs.rst
@@ -24,6 +24,9 @@
 * Linux syscalls
 * Boost.Filesystem, Boost.Nowide
 
+Options
+-------
+
 .. option:: FunctionsExtra
 
   Specifies additional functions to search for, separated with semicolon.