diff --git a/tree/dataframe/inc/ROOT/RDF/RInterface.hxx b/tree/dataframe/inc/ROOT/RDF/RInterface.hxx
index 18a2c464e8b00625ee2cd7f4b51cd4252265546f..139c6b764d534c68b4c12bacbf66adf9cb71fed0 100644
--- a/tree/dataframe/inc/ROOT/RDF/RInterface.hxx
+++ b/tree/dataframe/inc/ROOT/RDF/RInterface.hxx
@@ -434,6 +434,7 @@ public:
    /// written out and it appears before the array in the columnList.
    ///
    /// ### Example invocations:
+   ///
    /// ~~~{.cpp}
    /// // without specifying template parameters (column types automatically deduced)
    /// df.Snapshot("outputTree", "outputFile.root", {"x", "y"});