Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Service/Properties/Resources.resx
===================================================================
diff -u -r72b12726b73e7e011bed836163635b64220c23f1 -re4e0e6f48ce1decab5f8a3831d8663abc1799fbb
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Service/Properties/Resources.resx	(.../Resources.resx)	(revision 72b12726b73e7e011bed836163635b64220c23f1)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Service/Properties/Resources.resx	(.../Resources.resx)	(revision e4e0e6f48ce1decab5f8a3831d8663abc1799fbb)
@@ -144,4 +144,7 @@
   <data name="MacroStabilityInwardsCalculationService_ValidateInput_SurfaceLine_must_be_on_SoilLayer" xml:space="preserve">
     <value>De profielschematisatie moet op de ondergrondschematisatie liggen.</value>
   </data>
+  <data name="MacroStabilityInwardsInputValidator_ValidateTangentLines_TangentLineNumber_must_be_one_when_TangentLineTop_equals_TangentLineBottom" xml:space="preserve">
+    <value>Het aantal tangentlijnen moet 1 zijn wanneer tangentlijn Z-boven gelijk is aan tangentlijn Z-onder.</value>
+  </data>
 </root>
\ No newline at end of file