doc/file-extraction: fix highlight syntax

diff --git a/doc/userguide/file-extraction/file-extraction.rst b/doc/userguide/file-extraction/file-extraction.rst
index b642ed3d2bdddfc90250b6177368207f03e8bd8d..482fd18df7056182081d3c0081e668983a5068cc 100644 (file)
--- a/doc/userguide/file-extraction/file-extraction.rst
+++ b/doc/userguide/file-extraction/file-extraction.rst
@@ -153,6 +153,7 @@ Or only store files from black list checksum sha1 ?
 Or finally store files from black list checksum sha256 ?
 
 ::
+
   alert http any any -> any any (msg:"Black list checksum match and extract SHA256"; filesha256:fileextraction-chksum.list; filestore; sid:6; rev:1;)
 
 Bundled with the Suricata download, is a file with more example rules. In the archive, go to the `rules` directory and check the ``files.rules`` file.