diff --git a/docs/libssh2_channel_write_stderr.3 b/docs/libssh2_channel_write_stderr.3
index 7ac68762..9f13ea5a 100644
--- a/docs/libssh2_channel_write_stderr.3
+++ b/docs/libssh2_channel_write_stderr.3
@@ -2,12 +2,13 @@
 .\"
 .TH libssh2_channel_write_stderr 3 "20 Feb 2010" "libssh2 1.2.4" "libssh2 manual"
 .SH NAME
-libssh2_channel_write_stderr - convenience macro for \fIlibssh2_channel_write_ex(3)\fP calls
+libssh2_channel_write_stderr - convenience macro for \fIlibssh2_channel_write_ex(3)\fP
 .SH SYNOPSIS
+.nf
 #include <libssh2.h>
 
-libssh2_channel_write_stderr(arguments)
-
+#define libssh2_channel_write_stderr(channel, buf, buflen)  \\
+  libssh2_channel_write_ex((channel), SSH_EXTENDED_DATA_STDERR, (buf), (buflen))
 .SH DESCRIPTION
 This is a macro defined in a public libssh2 header file that is using the
 underlying function \fIlibssh2_channel_write_ex(3)\fP.