diff --git a/COSSANXengine/src/simulations/@SubSet/computeFailureProbability.m b/COSSANXengine/src/simulations/@SubSet/computeFailureProbability.m
index 217659e1..6f6782bb 100644
--- a/COSSANXengine/src/simulations/@SubSet/computeFailureProbability.m
+++ b/COSSANXengine/src/simulations/@SubSet/computeFailureProbability.m
@@ -1,7 +1,6 @@
 function [Xpf,varargout]=computeFailureProbability(Xobj,Xtarget)
-%COMPUTEFAILUREPROBABILITY method. This method computes the Failure
-%Probability (pf) associate to a ProbabilisticModel / SystemReliability /
-%MetaModel by means of SubSet Simulation methods.
+%COMPUTEFAILUREPROBABILITY computes the failure probability using subset simulation 
+% of the associate ProbabilisticModel.
 %
 % See also:
 % https://cossan.co.uk/wiki/index.php/computeFailureProbability@Simulation
diff --git a/initialise.m b/initialise.m
new file mode 100644
index 00000000..54d9b0b3
--- /dev/null
+++ b/initialise.m
@@ -0,0 +1,14 @@
+% Initialise OpenCossan
+%
+% Usage run this script
+
+
+% Author: Edoardo Patelli
+% Cossan Working Group
+% email address: openengine@cossan.co.uk
+% Website: https://www.cossan.co.uk
+
+FullPath=fileparts(mfilename('fullpath'));
+cd COSSANXengine/src/common/
+OpenCossan
+cd(FullPath)
\ No newline at end of file