docs: Clearer examples

The previous use of attribute "Filter-Id" may confuse the reader given
that the next section refers to "filtering" operators.
Give an example of clobbering an attribute.

diff --git a/doc/unlang/update.adoc b/doc/unlang/update.adoc
index f377984857c76af3d50ffa89ca33e780bc8c9216..3f124d2db0a9ca0ad402791493e4f94babb84d59 100644 (file)
--- a/doc/unlang/update.adoc
+++ b/doc/unlang/update.adoc
@@ -138,7 +138,15 @@ of the same name are already present in the list.
 [source,unlang]
 ----
 update reply {
-   &Filter-Id += "filter"
+   &Session-timeout := 86400
+}
+----
+
+.Example
+[source,unlang]
+----
+update reply {
+   &Reply-Message += "Rejected: Also, realm does not end with ac.uk"
 }
 ----