diff --git a/letter.txt b/letter.txt
index 1d58b50..97a590e 100644
--- a/letter.txt
+++ b/letter.txt
@@ -10,7 +10,7 @@ Nanjing, Jiangsu
 XXX 
 Re: National Transportation Safety Board (NTSB) 
 Freedom of Information Act (FOIA) No. FOIA-XXXXXX
-       March 21, XXX, XXX (DCA22WA102)  
+       March 21, XXX, XXX (XXX)  
 Dear Mr. XXX: 
 This letter responds to your FOIA request dated January XXX, 2026, seeking the following 
 records related to the above-referenced accident investigation: