diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index e788347239d1..f705c3028383 100644
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -447,7 +447,7 @@ Buffered Streams
 
 .. class:: BufferedReader(raw[, buffer_size])
 
-   A buffer for a readable, sequential :class:`BaseRawIO` object.  It inherits
+   A buffer for a readable, sequential :class:`RawIOBase` object.  It inherits
    :class:`BufferedIOBase`.
 
    The constructor creates a :class:`BufferedReader` for the given readable