diff --git a/Annex60/Fluid/Sensors/Examples/MassFraction.mo b/Annex60/Fluid/Sensors/Examples/MassFraction.mo
index 292d036ddf..b9205148eb 100644
--- a/Annex60/Fluid/Sensors/Examples/MassFraction.mo
+++ b/Annex60/Fluid/Sensors/Examples/MassFraction.mo
@@ -2,7 +2,8 @@ within Annex60.Fluid.Sensors.Examples;
 model MassFraction "Test model for the mass fraction sensor"
   extends Modelica.Icons.Example;
 
-  package Medium = Annex60.Media.Air "Medium model";
+  package Medium = Annex60.Media.Air
+    "Medium model";
 
   Annex60.Fluid.Sources.Boundary_pT sin(
     redeclare package Medium = Medium,