Change doc about crash_detail name

Test: none, doc change
Bug: 326097280
Change-Id: I5a79b8ac7448e564a9d72ad1c9323cea35d82227
diff --git a/libc/include/android/crash_detail.h b/libc/include/android/crash_detail.h
index 1889f9f..946a3ab 100644
--- a/libc/include/android/crash_detail.h
+++ b/libc/include/android/crash_detail.h
@@ -69,7 +69,7 @@
  * Introduced in API 35.
  *
  * \param name identifying name for this extra data.
- *             this should generally be a human-readable debug string, but we are treating
+ *             this should generally be a human-readable UTF-8 string, but we are treating
  *             it as arbitrary bytes because it could be corrupted by the crash.
  * \param name_size number of bytes of the buffer pointed to by name
  * \param data a buffer containing the extra detail bytes, if null the crash detail