diff --git a/zellij-ps.fish b/zellij-ps.fish
index d3b14d7..dacfb65 100755
--- a/zellij-ps.fish
+++ b/zellij-ps.fish
@@ -1,9 +1,13 @@
 #!/usr/bin/env fish
 # This is a small zellij project switcher
 #
-# Please add additiones folders to the folders variable
+# For defining project folders export the variable $PROJECT_FOLDERS in your favourite shell
+# The folders should by delimited by a :
+# Fish example: set -x PROJECT_FOLDERS ~/projects:~/Downloads/My Folder
 
-set folders ~/projects 
+set -l IFS ':'
+set folders (string split ':' -- $PROJECT_FOLDERS | string replace -r '^~' $HOME)
+echo $folders
 
 if count $argv > 1 
     set selected $argv[1]