diff --git a/docs/api/codec.rst b/docs/api/codec.rst
index ebc147c30..a3cc90e86 100644
--- a/docs/api/codec.rst
+++ b/docs/api/codec.rst
@@ -97,6 +97,7 @@ Transcoding
 .. automethod:: CodecContext.parse
 .. automethod:: CodecContext.encode
 .. automethod:: CodecContext.decode
+.. automethod:: CodecContext.flush_buffers
 
 
 Flags