diff --git a/docs/upgrade_issues.xml b/docs/upgrade_issues.xml
index 5c608c191..77c386737 100644
--- a/docs/upgrade_issues.xml
+++ b/docs/upgrade_issues.xml
@@ -740,7 +740,7 @@ all             all             REJECT:MyReject info</programlisting>
         their rules and user-defined actions, Shorewall can substitute an
         invocation of the a new macro for an existing invocation of one of the
         old actions. So if your rules file calls AllowSMTP, Shorewall will
-        replace that call with SMTP/ACCEPT. Because this substitution is
+        replace that call with SMTP(ACCEPT). Because this substitution is
         expensive, it is conditional based on the setting of MAPOLDACTIONS in
         shorewall.conf. If this option is set to YES or if it is not set (such
         as if you are using your old shorewall.conf file) then Shorewall will