formatting

Author: stefano-ottolenghi

modules/ROOT/pages/planning-and-tuning/operators/operators-detail.adoc

@@ -6066,7 +6066,7 @@ CREATE CONSTRAINT team_name IF NOT EXISTS FOR (t:Team) REQUIRE (t.name) IS UNIQU
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 ////
 
-The `MergeUniqueNode` operator is similar to the xref:planning-and-tuning/operators/operators-detail.adoc#query-plan-merge[`Merge`] operator, but is used when there is a property uniqueness constraint on the property used in the MERGE statement.
+The `MergeUniqueNode` operator is similar to the xref:planning-and-tuning/operators/operators-detail.adoc#query-plan-merge[`Merge`] operator, but is used when there is a property uniqueness constraint on the property used in the `MERGE` statement.
 
 .MergeUniqueNode
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