diff --git a/Calibration.C b/CalibrationQQQ.C
similarity index 98%
rename from Calibration.C
rename to CalibrationQQQ.C
index 0e46375..9db79ab 100644
--- a/Calibration.C
+++ b/CalibrationQQQ.C
@@ -1,5 +1,5 @@
 
-#define Calibration_cxx
+#define CalibrationQQQ_cxx
 
 #include <TH2.h>
 #include <TF1.h>
@@ -32,7 +32,7 @@ double qqqwGain[MAX_QQQ][MAX_RING][MAX_WEDGE] = {{{0}}};
 bool qqqwGainValid[MAX_QQQ][MAX_RING][MAX_WEDGE] = {{{false}}};
 // bool qqqrGainValid[MAX_QQQ][MAX_RING][MAX_WEDGE] = {{{false}}};
 
-void Calibration::Begin(TTree * /*tree*/)
+void CalibrationQQQ::Begin(TTree * /*tree*/)
 {
     plotter = new HistPlotter("Calib.root", "TFILE");
     // ----------------------- Load QQQ Gains
@@ -72,7 +72,7 @@ void Calibration::Begin(TTree * /*tree*/)
     }
 }
 
-Bool_t Calibration::Process(Long64_t entry)
+Bool_t CalibrationQQQ::Process(Long64_t entry)
 {
     b_qqqMulti->GetEntry(entry);
     b_qqqID->GetEntry(entry);
@@ -156,7 +156,7 @@ Bool_t Calibration::Process(Long64_t entry)
     return kTRUE;
 }
 
-void Calibration::Terminate()
+void CalibrationQQQ::Terminate()
 {
     const double AM241_PEAK = 5485.56;
     const double P_PEAK = 7000; // keV
diff --git a/Calibration.h b/CalibrationQQQ.h
similarity index 87%
rename from Calibration.h
rename to CalibrationQQQ.h
index 202d1dd..8ddeef4 100644
--- a/Calibration.h
+++ b/CalibrationQQQ.h
@@ -1,5 +1,5 @@
-#ifndef Calibration_h
-#define Calibration_h
+#ifndef CalibrationQQQ_h
+#define CalibrationQQQ_h
 
 #include <TROOT.h>
 #include <TChain.h>
@@ -8,7 +8,7 @@
 
 #include "Armory/ClassDet.h"
 
-class Calibration : public TSelector {
+class CalibrationQQQ : public TSelector {
 public :
    TTree          *fChain;   //!pointer to the analyzed TTree or TChain
 
@@ -41,8 +41,8 @@ public :
    TBranch        *b_pcE;   //!
    TBranch        *b_pcT;   //!
 
-   Calibration(TTree * /*tree*/ =0) : fChain(0) { }
-   virtual ~Calibration() { }
+   CalibrationQQQ(TTree * /*tree*/ =0) : fChain(0) { }
+   virtual ~CalibrationQQQ() { }
    virtual Int_t   Version() const { return 2; }
    virtual void    Begin(TTree *tree);
    virtual void    SlaveBegin(TTree *tree);
@@ -57,13 +57,13 @@ public :
    virtual void    SlaveTerminate();
    virtual void    Terminate();
 
-   ClassDef(Calibration,0);
+   ClassDef(CalibrationQQQ,0);
 };
 
 #endif
 
-#ifdef Calibration_cxx
-void Calibration::Init(TTree *tree){
+#ifdef CalibrationQQQ_cxx
+void CalibrationQQQ::Init(TTree *tree){
 
    // Set branch addresses and branch pointers
    if (!tree) return;
@@ -95,20 +95,20 @@ void Calibration::Init(TTree *tree){
 
 }
 
-Bool_t Calibration::Notify(){
+Bool_t CalibrationQQQ::Notify(){
 
    return kTRUE;
 }
 
-void Calibration::SlaveBegin(TTree * /*tree*/){
+void CalibrationQQQ::SlaveBegin(TTree * /*tree*/){
 
    TString option = GetOption();
 
 }
 
-void Calibration::SlaveTerminate(){
+void CalibrationQQQ::SlaveTerminate(){
 
 }
 
 
-#endif // #ifdef Calibration_cxx
\ No newline at end of file
+#endif // #ifdef CalibrationQQQ_cxx
\ No newline at end of file
diff --git a/README.md b/README.md
index c274f6d..41a8ae6 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ Raw .fsu files  (FSU digitizer output)
 │  ├── GainMatchQQQ.C                                             │
 │  │       QQQ ring/wedge gain matching                           │
 │  │       Output: qqq_GainMatch.dat                              │
-│  ├── Calibration.C                                              │
+│  ├── CalibrationQQQ.C                                           │
 │  │        Final absolute energy calibration for all detectors   │
 │  │        Output: qqq_Calib.dat                                 │
 │  ├── PCGainMatch.C                                              │