diff --git a/README.md b/README.md
index ae4b3108a608c3c939c7bee0ab978c0e2e250e7a..4aebcfd14b269f8fdd3bc421e3e6c5c4311930a4 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ flowchart TD
     classDef studyStyle fill:#62d4c1,color:#2d3e50,fontWeight:bold;
     classDef assayStyle fill:#ffd34d,color:#2d3e50,fontWeight:bold;
     classDef processStyle fill:#D46275,color:#2d3e50;
-    id_0["PHOTOPERIOD 1 enhances stress tolerance and energy metabolism to promote spike fertility in barley under high ambient temperatures"]
+    id_0["Lan_2025_Ppd-H1"]
     class id_0 investigationStyle;
     id_0-->STUDY_id_1
     class STUDY_id_1 studyStyle;