fix typo in histo number

benchmarks/imaging_ecal/scripts/emcal_barrel_energy_scan_analysis_pi_e.cxx

@@ -166,7 +166,7 @@ std::tuple <double, double> extract_sampling_fraction_parameters(std::string E_l
   infoHists[mom] = {"hMom", "Mom", "Thrown Momentum; Thrown Momentum [GeV/c]; Events", 500, 0.0, 11.0};
   infoHists[momSmeared] = {"hMomSmeared", "MomSmeared", "Thrown Momentum Smeared; Thrown Momentum Smeared [GeV/c]; Events", 500, 0.0, 11.0};
   infoHists[eClusterScFi] = {"hEClusterScFi", "EClusterScFi", "Cluster Energy; Cluster Energy [GeV]; Events", 500, 0.0, 11.0};
-  infoHists[eClusterScFi] = {"hNClusterScFi", "NClusterScFi", "Number of Clusters; # of Clusters; Events", 10, 0, 10};
+  infoHists[nClusterScFi] = {"hNClusterScFi", "NClusterScFi", "Number of Clusters; # of Clusters; Events", 10, 0, 10};
   infoHists[eoverPScFi] = {"hEoverPScFi", "EoverPClusterScFi", "Cluster Energy/Momentum; Cluster Energy/Momentum; Events", 480, 0., 1.2};
   infoHists[eoverPRecScFi] = {"hEoverPScFi", "EoverPRecoScFi", "Reco Hits Energy/Momentum; Reco Hits Energy/Momentum; Events", 500, 0.0, 0.25};