Index: clang/docs/UsersManual.rst
===================================================================
--- clang/docs/UsersManual.rst
+++ clang/docs/UsersManual.rst
@@ -1609,10 +1609,13 @@
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 The macro ``__FLT_EVAL_METHOD__`` will expand to either the value set from the
 command line option ``ffp-eval-method`` or to the value from the target info
-setting. The ``__FLT_EVAL_METHOD__`` macro cannot expand to the correct
-evaluation method in the presence of a ``#pragma`` which alters the evaluation
-method. An error is issued if ``__FLT_EVAL_METHOD__`` is expanded inside a scope
-modified by ``#pragma clang fp eval_method``.
+setting. The ``__FLT_EVAL_METHOD__`` macro is resolved as a macro
+definition during expansion. When predefined preprocessor macros are dumped,
+``__FLT_EVAL_METHOD__`` will not be listed.
+The ``__FLT_EVAL_METHOD__`` macro cannot expand to the correct evaluation method
+in the presence of a ``#pragma`` which alters the evaluation method. An error is
+issued if ``__FLT_EVAL_METHOD__`` is expanded inside a scope modified by
+``#pragma clang fp eval_method``.
 
 .. _fp-constant-eval: