diff --git a/Selection-code.md b/Selection-code.md
index ea6608e..8924405 100644
--- a/Selection-code.md
+++ b/Selection-code.md
@@ -22,7 +22,7 @@ There are several ways how to setup ROOT. What worked fro me is running the foll
 
 delta and lhcba1:
 ```
-/cvmfs/sft.cern.ch/lcg/views/setupViews.sh LCG_97python3 x86_64-centos7-gcc9-opt
+source /cvmfs/sft.cern.ch/lcg/views/setupViews.sh LCG_97python3 x86_64-centos7-gcc9-opt
 ```
 
 d0new and sigma0
@@ -101,6 +101,8 @@ cd /path/to/your/folder/B2KstarMuMu/Code/Selection/
 bash createFolders.sh
 ```
 
+Before running, please change the corresponding output paths in [[[GlobalFunctions.hh|GlobalFunctions]].
+
 
 First, compile and run the preselection. It is defined in [[BDTSelection.cpp|BDTSelection]]. This reads the files with **stripped** data and creates new tuples with **preselected** data.
 ```