diff --git a/ANNOUNCE b/ANNOUNCE
index fe3cd9a34..8d7c2ebed 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.7.0beta83 - July 13, 2016
+Libpng 1.7.0beta83 - July 16, 2016
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -1390,8 +1390,10 @@ Version 1.7.0beta82 [July 4, 2016]
   Relocated misplaced #endif in png.c sRGB profile checking.
   Fixed two Coverity issues in pngcp.c.
 
-Version 1.7.0beta83 [July 13, 2016]
+Version 1.7.0beta83 [July 16, 2016]
   Fixed some indentation to comply with our coding style.
+  Removed/rearranged certain png_struct fields that are only used
+    in reading.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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diff --git a/CHANGES b/CHANGES
index c49bea067..2e447a720 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5690,8 +5690,10 @@ Version 1.7.0beta82 [July 4, 2016]
   Relocated misplaced #endif in png.c sRGB profile checking.
   Fixed two Coverity issues in pngcp.c.
 
-Version 1.7.0beta83 [July 13, 2016]
+Version 1.7.0beta83 [July 16, 2016]
   Fixed some indentation to comply with our coding style.
+  Removed/rearranged certain png_struct fields that are only used
+    in reading.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit