diff --git a/docs/reference/setup/sysconfig/configuring.asciidoc b/docs/reference/setup/sysconfig/configuring.asciidoc
index 72f915cff61..7ec9e1d405d 100644
--- a/docs/reference/setup/sysconfig/configuring.asciidoc
+++ b/docs/reference/setup/sysconfig/configuring.asciidoc
@@ -98,6 +98,7 @@ any changes in that file, such as:
 
 [source,sh]
 ---------------------------------
+[Service]
 LimitMEMLOCK=infinity
 ---------------------------------