From 0c901546433c78bdecc793205692587ea9b28d1f Mon Sep 17 00:00:00 2001
From: Danilo Piparo <danilo.piparo@cern.ch>
Date: Mon, 26 Nov 2018 21:21:57 +0100
Subject: [PATCH] [DF][NFC]Improve df102 introductory documentation

---
 tutorials/dataframe/df102_NanoAODDimuonAnalysis.C | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tutorials/dataframe/df102_NanoAODDimuonAnalysis.C b/tutorials/dataframe/df102_NanoAODDimuonAnalysis.C
index 109941b2e7b..4ee328bd457 100644
--- a/tutorials/dataframe/df102_NanoAODDimuonAnalysis.C
+++ b/tutorials/dataframe/df102_NanoAODDimuonAnalysis.C
@@ -3,13 +3,17 @@
 /// \notebook -draw
 /// This tutorial illustrates how NanoAOD files can be processed with ROOT
 /// dataframes. The NanoAOD-like input files are filled with 66 mio. events
-/// from CMS OpenData containing muon candidates from 2012 data
+/// from CMS OpenData containing muon candidates part of 2012 dataset
 /// ([DOI: 10.7483/OPENDATA.CMS.YLIC.86ZZ](http://opendata.cern.ch/record/6004)
 /// and [DOI: 10.7483/OPENDATA.CMS.M5AD.Y3V3](http://opendata.cern.ch/record/6030)).
-/// The script matches muon pairs and produces an histogram of the dimuon mass
+/// The macro matches muon pairs and produces an histogram of the dimuon mass
 /// spectrum showing resonances up to the Z mass.
 /// Note that the bump at 30 GeV is not a resonance but a trigger effect.
 ///
+/// Some more details about the dataset:
+///   - It contains about 66 millions events (muon and electron collections, plus some other information, e.g. about primary vertices)
+///   - It spans two compressed ROOT files located on EOS for about a total size of 7.5 GB.
+///
 /// \macro_image
 /// \macro_code
 /// \macro_output
-- 
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