diff --git a/releasenotes.txt b/releasenotes.txt
index 1b6b6706b..39cc6f070 100644
--- a/releasenotes.txt
+++ b/releasenotes.txt
@@ -1,3 +1,4 @@
 release notes for cppcheck-2.9
 
-- restored check for negative allocation (new[]) and negative VLA sizes from cppcheck 1.87 (LCppC backport)
\ No newline at end of file
+- restored check for negative allocation (new[]) and negative VLA sizes from cppcheck 1.87 (LCppC backport)
+- replaced hardcoded check for pipe() buffer size by library configuration option (LCppC backport)