diff --git a/llvm/test/MC/AArch64/local-bounds-single-trap.ll b/llvm/test/MC/AArch64/local-bounds-single-trap.ll
index 6a017e24ab3cd..8b8a3e430df69 100644
--- a/llvm/test/MC/AArch64/local-bounds-single-trap.ll
+++ b/llvm/test/MC/AArch64/local-bounds-single-trap.ll
@@ -1,7 +1,8 @@
 ; RUN: llc -O3 -mtriple arm64-linux -filetype asm -o - %s | FileCheck %s -check-prefix CHECK-ASM
-; What this test does is check that even with nomerge, the functions still get merged in
-; compiled code as the ubsantrap call gets lowered to a single instruction: brk.
-
+; This test checks that nomerge correctly prevents the traps from being merged
+; in the compiled code.
+; Prior to ae6dc64ec670891cb15049277e43133d4df7fb4b, this test showed that
+; nomerge did not work correctly.
 
 @B = dso_local global [10 x i8] zeroinitializer, align 1
 @B2 = dso_local global [10 x i8] zeroinitializer, align 1