diff --git a/README.md b/README.md
index 30a43573..6906cbfc 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ jobs:
           BOARD_COLUMN_MERGED: 'Ready to Test'
           BOARD_COLUMN_CLOSED: 'Rejected'
         env:
-          IGNORE_PROJECT_IDS="1,2,3"
+          IGNORE_PROJECT_IDS="1 2 3"
 
 ```