diff --git a/README/CREDITS b/README/CREDITS
index 97540a470ce06d5933c910194fba375eff0816d0..679d99fd0c653bea7e49d977c05d560123535b05 100644
--- a/README/CREDITS
+++ b/README/CREDITS
@@ -180,7 +180,7 @@ D: support and development of TTreeFormula and TTree query mechanism
 N: Federico Carminati
 E: Federico.Carminati@cern.ch
 D: updates in PDG codes and eventgenerator interface classes
-D: TSpline classes
+D: TSpline, TComplex classes
 D: Support for gcc option -weffc++
 
 N: Gian Paolo Ciceri