diff --git a/CHANGELOG b/CHANGELOG
index e45df009..a4173487 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,8 @@ Version 2.5
 
 	Brand new highly configurable build system.
 
+	UTF-8 as I/O encoding is enforced. (Critical bug fix for ASCII locale users.)
+
 
 Version 2.4
 
diff --git a/manuals/ponysay.texinfo b/manuals/ponysay.texinfo
index 2effc8b5..4e2b6ad4 100644
--- a/manuals/ponysay.texinfo
+++ b/manuals/ponysay.texinfo
@@ -1700,7 +1700,12 @@ sequences.
 
 @heading Version 2.5
 
+@itemize @bullet
+@item
 Brand new highly configurable build system.
+@item
+UTF-8 as I/O encoding is enforced. (Critical bug fix for ASCII locale users.)
+@end itemize
 
 
 @heading Version 2.4