diff --git a/doc/api/ssl.rst b/doc/api/ssl.rst
index b796e4a..a3265b0 100644
--- a/doc/api/ssl.rst
+++ b/doc/api/ssl.rst
@@ -614,12 +614,13 @@
     by *bufsize*.
 
 
-.. py:method:: Connection.recv_into(buffer[, nbytes])
+.. py:method:: Connection.recv_into(buffer[, nbytes[, flags]])
 
     Receive data from the Connection and copy it directly into the provided
     buffer. The return value is the number of bytes read from the connection.
     The maximum amount of data to be received at once is specified by *nbytes*.
-
+    *flags* is accepted for compatibility with ``socket.recv_into`` but its
+    value is ignored.
 
 .. py:method:: Connection.bio_write(bytes)