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diff --git a/doc/pscp.but b/doc/pscp.but
index dcc60e30..5da247df 100644
--- a/doc/pscp.but
+++ b/doc/pscp.but
@@ -1,4 +1,4 @@
-\versionid $Id: pscp.but,v 1.18 2001/12/14 12:15:43 simon Exp $
+\versionid $Id: pscp.but,v 1.20 2001/12/31 16:15:19 simon Exp $
 
 \#FIXME: Need examples
 
@@ -230,7 +230,19 @@ Since specifying passwords in scripts is a bad idea for security
 reasons, you might want instead to consider using public-key
 authentication; see \k{pscp-pubkey}.
 
-\S{pscp-pubkey} Return value
+\S2{pscp-usage-options-batch}\c{-batch} avoid interactive prompts
+
+If you use the \c{-batch} option, PSCP will never give an
+interactive prompt while establishing the connection. If the
+server's host key is invalid, for example (see \k{gs-hostkey}), then
+the connection will simply be abandoned instead of asking you what
+to do next.
+
+This may help PSCP's behaviour when it is used in automated
+scripts: using \c{-batch}, if something goes wrong at connection
+time, the batch job will fail rather than hang.
+
+\S{pscp-retval} Return value
 
 PSCP returns an \cw{ERRORLEVEL} of zero (success) only if the files
 were correctly transferred. You can test for this in a batch file,