[PWGLF] Minor correction in defining histogram (#12345)

Author: sawankumawat

PWGLF/Tasks/Resonances/kstarqa.cxx

@@ -289,9 +289,9 @@ struct Kstarqa {
     hInvMass.add("hAllGenCollisions1Rec", "All gen events with at least one rec event", kTH1F, {multiplicityAxis});
     hInvMass.add("hAllKstarGenCollisisons", "All generated Kstar in events with rapidity in 0.5", kTH2F, {{multiplicityAxis}, {ptAxis}});
     hInvMass.add("hAllKstarGenCollisisons1Rec", "All generated Kstar in events with at least one rec event in rapidity in 0.5", kTH2F, {{multiplicityAxis}, {ptAxis}});
-    hInvMass.add("hAllRecCollisions", "All reconstructed events", kTH2F, {{multiplicityAxis}});
-    hInvMass.add("MCcorrections/hImpactParameterRec", "Impact parameter in reconstructed MC", kTH1F, {{impactParAxis}});
-    hInvMass.add("MCcorrections/hImpactParameterGen", "Impact parameter in generated MC", kTH1F, {{impactParAxis}});
+    hInvMass.add("hAllRecCollisions", "All reconstructed events", kTH1F, {multiplicityAxis});
+    hInvMass.add("MCcorrections/hImpactParameterRec", "Impact parameter in reconstructed MC", kTH1F, {impactParAxis});
+    hInvMass.add("MCcorrections/hImpactParameterGen", "Impact parameter in generated MC", kTH1F, {impactParAxis});
     hInvMass.add("MCcorrections/hImpactParametervsMultiplicity", "Impact parameter vs multiplicity in reconstructed MC", kTH1F, {{impactParAxis}, {multiplicityAxis}});
     rEventSelection.add("tracksCheckData", "No. of events in the data", kTH1I, {{10, 0, 10}});
     rEventSelection.add("eventsCheckGen", "No. of events in the generated MC", kTH1I, {{10, 0, 10}});