diff --git a/docs/topics/release-notes.md b/docs/topics/release-notes.md
index bbe11face..58471a790 100644
--- a/docs/topics/release-notes.md
+++ b/docs/topics/release-notes.md
@@ -19,6 +19,7 @@ Major version numbers (x.0.0) are reserved for project milestones.  No major poi
 ### Master
 
 * Support json encoding of timedelta objects.
+* `format_suffix_patterns()` now supports `include` style URL patterns. 
 * Bugfix: Return proper validation errors when incorrect types supplied for relational fields.
 * Bugfix: Support nullable FKs with `SlugRelatedField`.