diff --git a/Modelica/Electrical/PowerConverters/DCDC/Control/SignalPWM.mo b/Modelica/Electrical/PowerConverters/DCDC/Control/SignalPWM.mo
index 7904ca1a09..5d837525e9 100644
--- a/Modelica/Electrical/PowerConverters/DCDC/Control/SignalPWM.mo
+++ b/Modelica/Electrical/PowerConverters/DCDC/Control/SignalPWM.mo
@@ -156,7 +156,7 @@ The firing signal is generated by comparing the sampled duty cycle input with a
 [<a href=\"modelica://Modelica.Electrical.PowerConverters.UsersGuide.References\">Williams2006</a>] or triangular signal (carrier).
 </p>
 
-<h4>Note:</h4>
+<h4>Note</h4>
 <p>
 The user has the choice between two comparison modes:
 </p>
diff --git a/Modelica/Electrical/PowerConverters/DCDC/HBridge.mo b/Modelica/Electrical/PowerConverters/DCDC/HBridge.mo
index 293847b15c..2e9225d6c8 100644
--- a/Modelica/Electrical/PowerConverters/DCDC/HBridge.mo
+++ b/Modelica/Electrical/PowerConverters/DCDC/HBridge.mo
@@ -143,7 +143,7 @@ The H bridge is a four quadrant DC/DC converter. It consists of two single-phase
 See examples <a href=\"modelica://Modelica.Electrical.PowerConverters.Examples.DCDC.HBridge\">DCDC.HBridge</a>.
 </p>
 
-<h4>Note:</h4>
+<h4>Note</h4>
 <p>In the first version, the following signal connections were implementented:</p>
 <ul>
 <li>fire_p to inverter_p.fire_p and inverter_n.fire_n</li>