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-rw-r--r--doc/doc-docbook/spec.xfpt2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 63fef7fc4..f7bebc866 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -9736,7 +9736,7 @@ ${sort{3:2:1:4}{<}{$item}}
.endd
sorts a list of numbers, and
.code
-${sort {$lookup dnsdb{>:,,mx=example.com}} {<} {${listextract{1}{<,$item}}}}
+${sort {${lookup dnsdb{>:,,mx=example.com}}} {<} {${listextract{1}{<,$item}}}}
.endd
will sort an MX lookup into priority order.