diff --git a/doc/release_notes.rst b/doc/release_notes.rst
index 9239f894..ff41817e 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -12,7 +12,7 @@ Upcoming Release
 
 * Changed default assumptions about waste heat usage from PtX and fuel cells in district heating.
   The default value for the link efficiency scaling factor was changed from 100% to 25%.
-  It can be set to other values in the configuration ``sector: use_waste_heat:``. 
+  It can be set to other values in the configuration ``sector: use_waste_heat:``.
 
 * In simplifying polygons in :mod:`build_shapes` default to no tolerance.