diff --git a/libc/arch-arm/generic/bionic/memcpy.S b/libc/arch-arm/generic/bionic/memcpy.S
index 24373d8..c5168d6 100644
--- a/libc/arch-arm/generic/bionic/memcpy.S
+++ b/libc/arch-arm/generic/bionic/memcpy.S
@@ -401,4 +401,4 @@
 
         .data
 error_string:
-        .string     "memcpy buffer overflow"
+        .string     "memcpy prevented write past end of buffer"