diff --git a/gui/trunk/CLASSRead.cxx b/gui/trunk/CLASSRead.cxx
index d00e205cb67f98a0c16b69b40cb1b69af003ec56..a3f08ef55a66323432fea09de5a34bfaa5c0387a 100755
--- a/gui/trunk/CLASSRead.cxx
+++ b/gui/trunk/CLASSRead.cxx
@@ -324,7 +324,7 @@ void CLASSRead::PlotInv(vector<CLASSPlotElement> toplot, bool DecayChain, int St
 			if(!DecayChain)
 				BuildTGraph(toplotTTree[i], 0, out);
 			else
-				BuildTGraphUsingDecayCHain(toplotTTree[i], 0, StartingStep, FinalTime, StepNUmber, LinBin, out);
+				BuildTGraphUsingDecayChain(toplotTTree[i], 0, StartingStep, FinalTime, StepNUmber, LinBin, out);
 		}
 
 	}
@@ -503,7 +503,7 @@ void CLASSRead::PlotTox(vector<CLASSPlotElement> toplot, bool DecayChain, int St
 				BuildTGraph(toplotTTree[i], 1, out);
 			
 			else
-				BuildTGraphUsingDecayCHain(toplotTTree[i], 1, StartingStep, FinalTime, StepNUmber, LinBin, out);
+				BuildTGraphUsingDecayChain(toplotTTree[i], 1, StartingStep, FinalTime, StepNUmber, LinBin, out);
 		}
 	}
 	fCNucleiTox->cd();
@@ -682,7 +682,7 @@ void CLASSRead::PlotHeat(vector<CLASSPlotElement> toplot, bool DecayChain, int S
 			if(!DecayChain)
 				BuildTGraph(toplotTTree[i], 2, out);
 			else
-				BuildTGraphUsingDecayCHain(toplotTTree[i], 2, StartingStep, FinalTime, StepNUmber, LinBin, out);
+				BuildTGraphUsingDecayChain(toplotTTree[i], 2, StartingStep, FinalTime, StepNUmber, LinBin, out);
 		}
 	}
 	fCNucleiHeat->cd();
@@ -1105,7 +1105,7 @@ void CLASSRead::BuildTGraph(vector<CLASSPlotElement> toplot, int PlotId, string
 
 }
 
-void CLASSRead::BuildTGraphUsingDecayCHain(vector<CLASSPlotElement> toplot, int PlotId, int StartingStep, cSecond FinalTime, int StepNUmber, bool LinBin, string opt)
+void CLASSRead::BuildTGraphUsingDecayChain(vector<CLASSPlotElement> toplot, int PlotId, int StartingStep, cSecond FinalTime, int StepNUmber, bool LinBin, string opt)
 {
 	TGraph** Graph;
 	int NumberGraphIterator = 0;
diff --git a/gui/trunk/CLASSRead.hxx b/gui/trunk/CLASSRead.hxx
index 1dc7b24d8bab2ee6364a8065b5c5f9d9ddad4d72..1fb878324f1e5e73c87e554a834693188383097d 100755
--- a/gui/trunk/CLASSRead.hxx
+++ b/gui/trunk/CLASSRead.hxx
@@ -60,7 +60,7 @@ public :
 	void ReadTime();
 
 	void BuildTGraph(vector<CLASSPlotElement> toplot, int PlotId = 0, string opt = "L");
-	void BuildTGraphUsingDecayCHain(vector<CLASSPlotElement> toplot, int PlotId, int StartingStep, cSecond FinalTime, int StepNUmber, bool LinBin, string opt);
+	void BuildTGraphUsingDecayChain(vector<CLASSPlotElement> toplot, int PlotId, int StartingStep, cSecond FinalTime, int StepNUmber, bool LinBin, string opt);
 
 	
 	void PlotInv(vector<CLASSPlotElement> toplot, bool DecayChain = false, int StartingStep = 0, cSecond FinalTime = 0, int StepNUmber = 0, bool LinBin = true , string opt = "L");