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-rw-r--r--docs/man/nngcat.1.adoc2
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/man/nngcat.1.adoc b/docs/man/nngcat.1.adoc
index f7850d34..fecc98c1 100644
--- a/docs/man/nngcat.1.adoc
+++ b/docs/man/nngcat.1.adoc
@@ -242,7 +242,7 @@ Protocols that support sending data can use these options to select the data.
Use _DATA_ for the body of outgoing messages.
*-F, --file*=_FILE_::
- Use _FILE_ for the body of outgoing messages.
+ Use _FILE_ for the body of outgoing messages. If _FILE_ is _-_ the message body will be read from standard input.
*-i, --interval*=_SEC_::
For protocols that send unsolicited data (as opposed to those that