diff --git a/Code/Mantid/Framework/CurveFitting/inc/MantidCurveFitting/DiffRotDiscreteCircle.h b/Code/Mantid/Framework/CurveFitting/inc/MantidCurveFitting/DiffRotDiscreteCircle.h
index 66f16955ad6d..fac307d992c3 100644
--- a/Code/Mantid/Framework/CurveFitting/inc/MantidCurveFitting/DiffRotDiscreteCircle.h
+++ b/Code/Mantid/Framework/CurveFitting/inc/MantidCurveFitting/DiffRotDiscreteCircle.h
@@ -53,7 +53,7 @@ class DLLExport ElasticDiffRotDiscreteCircle : public DeltaFunction
   /// overwrite IFunction base class methods
   virtual std::string name()const{ return "ElasticDiffRotDiscreteCircle"; }
 
-  virtual const std::string category() const { return "QENS"; }
+  virtual const std::string category() const { return "QuasiElastic"; }
 
   /// overwrite IFunction base class method, which declare function parameters
   virtual void init();
@@ -79,7 +79,7 @@ class DLLExport InelasticDiffRotDiscreteCircle : public API::ParamFunction, publ
 
   virtual std::string name() const { return "InelasticDiffRotDiscreteCircle"; }
 
-  virtual const std::string category() const { return "QENS"; }
+  virtual const std::string category() const { return "QuasiElastic"; }
 
   virtual void init();
 
@@ -107,7 +107,7 @@ class DLLExport DiffRotDiscreteCircle : public API::ImmutableCompositeFunction
 
   virtual std::string name() const { return "DiffRotDiscreteCircle"; }
 
-  virtual const std::string category() const { return "QENS"; }
+  virtual const std::string category() const { return "QuasiElastic"; }
 
   virtual int version() const { return 1; }
 
diff --git a/Code/Mantid/Framework/CurveFitting/inc/MantidCurveFitting/DiffSphere.h b/Code/Mantid/Framework/CurveFitting/inc/MantidCurveFitting/DiffSphere.h
index 938002944280..f3eefa354ce0 100644
--- a/Code/Mantid/Framework/CurveFitting/inc/MantidCurveFitting/DiffSphere.h
+++ b/Code/Mantid/Framework/CurveFitting/inc/MantidCurveFitting/DiffSphere.h
@@ -54,7 +54,7 @@ class DLLExport ElasticDiffSphere : public DeltaFunction
   /// overwrite IFunction base class methods
   virtual std::string name() const { return "ElasticDiffSphere"; }
 
-  virtual const std::string category() const { return "QENS"; }
+  virtual const std::string category() const { return "QuasiElastic"; }
 
   /// A rescaling of the peak intensity
   double HeightPrefactor() const;
@@ -95,7 +95,7 @@ class DLLExport InelasticDiffSphere : public API::ParamFunction, public API::IFu
   virtual std::string name()const{return "InelasticDiffSphere"; }
 
   /// overwrite IFunction base class methods
-  virtual const std::string category() const { return "QENS"; }
+  virtual const std::string category() const { return "QuasiElastic"; }
 
   /// Calculate the (2l+1)*A_{n,l} coefficients for each Lorentzian
   std::vector< double > LorentzianCoefficients( double a ) const;
@@ -148,7 +148,7 @@ class DLLExport DiffSphere : public API::ImmutableCompositeFunction
   std::string name()const{ return "DiffSphere"; }
 
   /// overwrite IFunction base class methods
-  virtual const std::string category() const { return "QENS"; }
+  virtual const std::string category() const { return "QuasiElastic"; }
 
   /// overwrite IFunction base class methods
   virtual int version() const { return 1; }
diff --git a/Code/Mantid/Framework/PythonInterface/plugins/functions/StretchedExpFT.py b/Code/Mantid/Framework/PythonInterface/plugins/functions/StretchedExpFT.py
index d8a9d7cda272..76b51198bc3a 100644
--- a/Code/Mantid/Framework/PythonInterface/plugins/functions/StretchedExpFT.py
+++ b/Code/Mantid/Framework/PythonInterface/plugins/functions/StretchedExpFT.py
@@ -48,7 +48,7 @@ def __init__(self):
         self._parm2index = {'height':0,'tau':1,'beta':2} #order in which they were defined
 
     def category(self):
-        return 'QENS'
+        return 'QuasiElastic'
 
     def init(self):
         '''Declare parameters that participate in the fitting'''