diff --git a/ANNOUNCE b/ANNOUNCE
index 35eb15fef..39699aa27 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1405,7 +1405,7 @@ Version 1.7.0beta84 [September 26, 2016]
   Changed PNG_ZLIB_VERNUM to ZLIB_VERNUM in pngrutil.c.
   If CRC handling of critical chunks has been set to PNG_CRC_QUIET_USE,
     ignore the ADLER32 checksum in the IDAT chunk as well as the chunk CRCs.
-  Warn about ADLER32 checksum mismatch instead of issuing a png_error().
+  Issue png_benign_error() on ADLER32 checksum mismatch instead of png_error().
   Add tests/badcrc.png and tests/badadler.png to tests/pngtest.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
diff --git a/CHANGES b/CHANGES
index cfd473bc2..34c694847 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5705,7 +5705,7 @@ Version 1.7.0beta84 [September 26, 2016]
   Changed PNG_ZLIB_VERNUM to ZLIB_VERNUM in pngrutil.c.
   If CRC handling of critical chunks has been set to PNG_CRC_QUIET_USE,
     ignore the ADLER32 checksum in the IDAT chunk as well as the chunk CRCs.
-  Warn about ADLER32 checksum mismatch instead of issuing a png_error().
+  Issue png_benign_error() on ADLER32 checksum mismatch instead of png_error().
   Add tests/badcrc.png and tests/badadler.png to tests/pngtest.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
diff --git a/tests/badadler.png b/tests/badadler.png
index e3ade3d34..2bcbcc926 100644
Binary files a/tests/badadler.png and b/tests/badadler.png differ
diff --git a/tests/badcrc.png b/tests/badcrc.png
index 14a8439ce..45d026804 100644
Binary files a/tests/badcrc.png and b/tests/badcrc.png differ