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-rw-r--r--doc/doc-txt/experimental-spec.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt
index aa85847d8..0b1afb247 100644
--- a/doc/doc-txt/experimental-spec.txt
+++ b/doc/doc-txt/experimental-spec.txt
@@ -451,7 +451,7 @@ would relax host matching rules to a broader network range.
A lookup expansion is also available. It takes an email
address as the key and an IP address as the database:
- $lookup (username@domain} spf {ip.ip.ip.ip}}
+ ${lookup {username@domain} spf {ip.ip.ip.ip}}
The lookup will return the same result strings as they can appear in
$spf_result (pass,fail,softfail,neutral,none,err_perm,err_temp).