diff --git a/clang-tools-extra/docs/clang-tidy/checks/modernize/use-ranges.rst b/clang-tools-extra/docs/clang-tidy/checks/modernize/use-ranges.rst
index 1ce866ca1f66a..912b42b33f919 100644
--- a/clang-tools-extra/docs/clang-tidy/checks/modernize/use-ranges.rst
+++ b/clang-tools-extra/docs/clang-tidy/checks/modernize/use-ranges.rst
@@ -104,6 +104,9 @@ Calls to the following std library algorithms are checked:
 ``std::unique``,
 ``std::upper_bound``.
 
+Note: some range algorithms for ``vector<bool>`` require C++23 because it uses
+proxy iterators.
+
 Reverse Iteration
 -----------------