diff --git a/doc/release_notes.rst b/doc/release_notes.rst
index cdad3fa0..079648d5 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -9,7 +9,9 @@ Release Notes
 
 Upcoming Release
 ================
-* Group existing capacities to the earlier grouping_year for consistency with optimized capacities
+* Group existing capacities to the earlier grouping_year for consistency with optimized capacities.
+
+* bugfix: installed heating capacities were 5% lower than existing heating capacities
 
 * Include gas and oil fields and saline aquifers in estimation of CO2 sequestration potential.