Utility for redirecting C++ streams to Python (#1009)

diff --git a/docs/reference.rst b/docs/reference.rst
index 1365739..e41141b 100644
--- a/docs/reference.rst
+++ b/docs/reference.rst
@@ -71,6 +71,15 @@
 
 .. doxygenclass:: scoped_interpreter
 
+Redirecting C++ streams
+=======================
+
+.. doxygenclass:: scoped_ostream_redirect
+
+.. doxygenclass:: scoped_estream_redirect
+
+.. doxygenfunction:: add_ostream_redirect
+
 Python build-in functions
 =========================