X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=doc%2Fssl%2FSSL_write.pod;h=e013c12d5254b0d4d08bb0d6ef47972994b72ada;hp=dfa42e9aeef8794a5679e510877e27d9016ff442;hb=20adcfa05831bfbcc5d931626a11a13dff317048;hpb=02b7ec88bb798326d2bdae41c549bebeabc8759f

diff --git a/doc/ssl/SSL_write.pod b/doc/ssl/SSL_write.pod
index dfa42e9aee..e013c12d52 100644
--- a/doc/ssl/SSL_write.pod
+++ b/doc/ssl/SSL_write.pod
@@ -65,6 +65,9 @@ When an SSL_write() operation has to be repeated because of
 B<SSL_ERROR_WANT_READ> or B<SSL_ERROR_WANT_WRITE>, it must be repeated
 with the same arguments.
 
+When calling SSL_write() with num=0 bytes to be sent the behaviour is
+undefined.
+
 =head1 RETURN VALUES
 
 The following return values can occur: