diff --git a/cellfie/README.md b/cellfie/README.md
index be2d4547d901b4d0ca4d9a96e2403faa20f2a431..246d455ad018fa6e885cdb79b9278984edb64816 100644
--- a/cellfie/README.md
+++ b/cellfie/README.md
@@ -1,7 +1,8 @@
-# Cellfie
+# Cellfie transformation rules
+
+All the files enable to create the ppdo.owl file.
 
 ppdo_vide.owl is the entry file used during cellfie transformation rules in order to produce ppdo.owl.
-All the files used during the generation of ppdo.owl are stored in Cellfie directory.
 The algorithm is detailled in the wiki PhenologicalStages
 
 bbch_principalStages.xlsx contains the information about principal stages of BBCH general scale.