[PATCH] README: document splice-test4c 'largefile'

diff --git a/README b/README
index d133d420568af4cc1048c7e723e2d757b0f54d67..39d8b0d91c4ccd4c7ff79929e1f1a8b30bad0119 100644 (file)
--- a/README
+++ b/README
@@ -20,7 +20,9 @@ splice-net:   Splice given file to network host.
 
 splice-out:    Splice stdin to given file.
 
-splice-test4c: Splice/sendfile test client. Use with splice-test4s.
+splice-test4c: Splice/sendfile test client. Use with splice-test4s. There
+               must be a file of at least 128MiB called 'largefile' in the
+               current directory, splice-test4c uses that as input data.
 
 splice-test4s: Dummy server for splice-test4c.