diff --git a/src/GlueXSensitiveDetectorCDC.cc b/src/GlueXSensitiveDetectorCDC.cc
index 612ca16..8131375 100644
--- a/src/GlueXSensitiveDetectorCDC.cc
+++ b/src/GlueXSensitiveDetectorCDC.cc
@@ -423,7 +423,7 @@ void GlueXSensitiveDetectorCDC::EndOfEvent(G4HCofThisEvent*)
       hitview.addCentralDCs();
    hddm_s::CentralDC &centralDC = hitview.getCentralDC();
 
-   // Collect and output the strawTruthHits
+   // Collect and output the cdcTruthHits
 
    for (siter = straws->begin(); siter != straws->end(); ++siter) {
 
@@ -563,7 +563,7 @@ void GlueXSensitiveDetectorCDC::EndOfEvent(G4HCofThisEvent*)
       }
    }
 
-   // Collect and output the strawTruthPoints
+   // Collect and output the cdcTruthPoints
    for (piter = points->begin(); piter != points->end(); ++piter) {
       hddm_s::CdcTruthPointList point = centralDC.addCdcTruthPoints(1);
       point(0).setDEdx(piter->second->dEdx_GeV_cm);
diff --git a/src/GlueXSensitiveDetectorFDC.cc b/src/GlueXSensitiveDetectorFDC.cc
index a06369f..83b9b2a 100644
--- a/src/GlueXSensitiveDetectorFDC.cc
+++ b/src/GlueXSensitiveDetectorFDC.cc
@@ -796,7 +796,7 @@ void GlueXSensitiveDetectorFDC::EndOfEvent(G4HCofThisEvent*)
       }
    }
 
-   // Collect and output the strawTruthPoints
+   // Collect and output the fdcTruthPoints
 
    int last_chamber = -1;
    hddm_s::FdcTruthPoint *last_point = 0;
diff --git a/src/GlueXSensitiveDetectorSTC.cc b/src/GlueXSensitiveDetectorSTC.cc
index 59d2dd8..6617352 100644
--- a/src/GlueXSensitiveDetectorSTC.cc
+++ b/src/GlueXSensitiveDetectorSTC.cc
@@ -398,7 +398,7 @@ void GlueXSensitiveDetectorSTC::EndOfEvent(G4HCofThisEvent*)
       }
    }
 
-   // Collect and output the paddleTruthPoints
+   // Collect and output the stcTruthPoints
    for (piter = points->begin(); piter != points->end(); ++piter) {
       hddm_s::StcTruthPointList point = startCntr.addStcTruthPoints(1);
       point(0).setE(piter->second->E_GeV);
diff --git a/src/GlueXSensitiveDetectorTPOL.cc b/src/GlueXSensitiveDetectorTPOL.cc
index 5e0aaab..ed8c36a 100644
--- a/src/GlueXSensitiveDetectorTPOL.cc
+++ b/src/GlueXSensitiveDetectorTPOL.cc
@@ -295,7 +295,7 @@ void GlueXSensitiveDetectorTPOL::EndOfEvent(G4HCofThisEvent*)
       }
    }
 
-   // Collect and output the wedgeTruthPoints
+   // Collect and output the tpolTruthPoints
    for (piter = points->begin(); piter != points->end(); ++piter) {
       hddm_s::TpolTruthPointList point = polarimeter.addTpolTruthPoints(1);
       point(0).setE(piter->second->E_GeV);