diff --git a/Documentation/Examples/cascade_example.cc b/Documentation/Examples/cascade_example.cc
index a875053845c0c81df2e454a14655a18e052ce64c..c126ce13769e601a50ad8d64f337fd32d6657259 100644
--- a/Documentation/Examples/cascade_example.cc
+++ b/Documentation/Examples/cascade_example.cc
@@ -282,7 +282,7 @@ int main() {
   const HEPMassType mass = GetNucleusMass(nuclA, nuclZ);
   const HEPEnergyType E0 =
       nuclA *
-      100_TeV; // 1_PeV crashes with bad COMboost in second interaction (crash later)
+      100_GeV; // 1_PeV crashes with bad COMboost in second interaction (crash later)
   double theta = 0.;
   double phi = 0.;