diff --git a/ANNOUNCE b/ANNOUNCE
index aaea38cfecb20eb512639f3c2ed48f2633f356dc..72ef734a4a1747f449e522a4ae6dc0077bcac473 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -173,6 +173,7 @@ Version 1.6.0beta09 [February 1, 2011]
 Version 1.6.0beta10 [February 3, 2012]
   Added Z_SOLO for zlib-1.2.6+ and correct pngstest tests
   Updated list of test images in CMakeLists.txt
+  Updated the prebuilt configure files to current condition.
 
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diff --git a/CHANGES b/CHANGES
index 44ca112aeae7cf499162d7d4f379eb7f808f478c..b3ea1ab36482ad813c74e0112ac11d3a5fe5b208 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3924,6 +3924,7 @@ Version 1.6.0beta09 [February 1, 2011]
 Version 1.6.0beta10 [February 3, 2012]
   Added Z_SOLO for zlib-1.2.6+ and correct pngstest tests
   Updated list of test images in CMakeLists.txt
+  Updated the prebuilt configure files to current condition.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit