minor manpage fix

diff --git a/tcpdump.1.in b/tcpdump.1.in
index e7d27476a95b2837b3a01961571fa78a879e2ba1..a9387f102a8d651230b5002c372b1e1133b6e982 100644 (file)
--- a/tcpdump.1.in
+++ b/tcpdump.1.in
@@ -200,7 +200,8 @@ Print the AS number in BGP packets in ASDOT notation rather than ASPLAIN
 notation.
 .TP
 .B \-B
-Set the operating system capture buffer size to \fIbuffer_size\fP.
+Set the operating system capture buffer size to \fIbuffer_size\fP, in
+units of KiB (1024 bytes).
 .TP
 .B \-c
 Exit after receiving \fIcount\fP packets.