diff --git a/Doc/c-api/memory.rst b/Doc/c-api/memory.rst
index 61fa49f8681cce..df1bb0ce370919 100644
--- a/Doc/c-api/memory.rst
+++ b/Doc/c-api/memory.rst
@@ -672,6 +672,10 @@ This allocator is disabled if Python is configured with the
:option:`--without-pymalloc` option. It can also be disabled at runtime using
the :envvar:`PYTHONMALLOC` environment variable (ex: ``PYTHONMALLOC=malloc``).
+Typically, it makes sense to disable the pymalloc allocator when building
+Python with AddressSanitizer (:option:`--with-address-sanitizer`) which helps
+uncover low level bugs within the C code.
+
Customize pymalloc Arena Allocator
----------------------------------
diff --git a/Doc/using/configure.rst b/Doc/using/configure.rst
index e5fe3c72b1b26e..2cda9587975ddc 100644
--- a/Doc/using/configure.rst
+++ b/Doc/using/configure.rst
@@ -802,6 +802,9 @@ Debug options
.. option:: --with-address-sanitizer
Enable AddressSanitizer memory error detector, ``asan`` (default is no).
+ To improve ASan detection capabilities you may also want to combine this
+ with :option:`--without-pymalloc` to disable the specialized small-object
+ allocator whose allocations are not tracked by ASan.
.. versionadded:: 3.6
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