diff --git a/source/documentation/breaking-changes/index.md b/source/documentation/breaking-changes/index.md
index 70dd8b798..11d05ded2 100644
--- a/source/documentation/breaking-changes/index.md
+++ b/source/documentation/breaking-changes/index.md
@@ -22,6 +22,10 @@ time-sensitive, so they may be released with new minor version numbers instead.
 
 These breaking changes are coming soon or have recently been released:
 
+* [Mixing declarations with nested rules is changing
+  behavior](/documentation/breaking-changes/mixed-decls/) beginning in Dart Sass
+  1.77.7.
+
 * [Functions and Mixins Beginning with `--` are
   deprecated](/documentation/breaking-changes/css-function-mixin/) beginning in Dart
   Sass 1.76.0.