diff --git a/src/SMESHGUI/SMESHGUI_Hypotheses.cxx b/src/SMESHGUI/SMESHGUI_Hypotheses.cxx
index 8e9ff3973..0f2e0032b 100644
--- a/src/SMESHGUI/SMESHGUI_Hypotheses.cxx
+++ b/src/SMESHGUI/SMESHGUI_Hypotheses.cxx
@@ -533,11 +533,11 @@ QString SMESHGUI_GenericHypothesisCreator::helpPage() const
   else if ( aHypType == "NumberOfLayers")
     aHelpFileName = "radial_prism_algo_page.html";
   else if ( aHypType == "NumberOfLayers2D")
-    aHelpFileName = "radial_prism_algo_page.html";
+    aHelpFileName = "radial_quadrangle_1D2D_algo_page.html";
   else if ( aHypType == "LayerDistribution")
     aHelpFileName = "radial_prism_algo_page.html";
   else if ( aHypType == "LayerDistribution2D")
-    aHelpFileName = "radial_prism_algo_page.html";
+    aHelpFileName = "radial_quadrangle_1D2D_algo_page.html";
   else if ( aHypType == "SegmentLengthAroundVertex")
     aHelpFileName = "segments_around_vertex_algo_page.html";
     
diff --git a/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx b/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx
index cce36edb0..0d72900dc 100644
--- a/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx
+++ b/src/StdMeshersGUI/StdMeshersGUI_StdHypothesisCreator.cxx
@@ -1128,7 +1128,7 @@ QString StdMeshersGUI_StdHypothesisCreator::hypTypeName( const QString& t ) cons
     types.insert( "ProjectionSource3D", "PROJECTION_SOURCE_3D" );
     types.insert( "NumberOfLayers", "NUMBER_OF_LAYERS" );
     types.insert( "LayerDistribution", "LAYER_DISTRIBUTION" );
-    types.insert( "NumberOfLayers2D", "NUMBER_OF_LAYERS" );
+    types.insert( "NumberOfLayers2D", "NUMBER_OF_LAYERS_2D" );
     types.insert( "LayerDistribution2D", "LAYER_DISTRIBUTION" );
     types.insert( "SegmentLengthAroundVertex", "SEGMENT_LENGTH_AROUND_VERTEX" );
     types.insert( "MaxLength", "MAX_LENGTH" );
diff --git a/src/StdMeshersGUI/StdMeshers_images.ts b/src/StdMeshersGUI/StdMeshers_images.ts
index 7dc80991b..7438aa85e 100644
--- a/src/StdMeshersGUI/StdMeshers_images.ts
+++ b/src/StdMeshersGUI/StdMeshers_images.ts
@@ -73,6 +73,10 @@
             <source>ICON_DLG_NUMBER_OF_LAYERS</source>
             <translation>mesh_hypo_layer_distribution.png</translation>
         </message>
+	<message>
+            <source>ICON_DLG_NUMBER_OF_LAYERS_2D</source>
+            <translation>mesh_hypo_layer_distribution.png</translation>
+        </message>
         <message>
             <source>ICON_DLG_PROJECTION_SOURCE_1D</source>
             <translation>mesh_hypo_source_edge.png</translation>
diff --git a/src/StdMeshersGUI/StdMeshers_msg_en.ts b/src/StdMeshersGUI/StdMeshers_msg_en.ts
index caabb7f54..0a8ca42f4 100644
--- a/src/StdMeshersGUI/StdMeshers_msg_en.ts
+++ b/src/StdMeshersGUI/StdMeshers_msg_en.ts
@@ -221,10 +221,18 @@
             <source>SMESH_NUMBER_OF_LAYERS_HYPOTHESIS</source>
             <translation>Radial Prism Parameter</translation>
         </message>
+	<message>
+            <source>SMESH_NUMBER_OF_LAYERS_2D_HYPOTHESIS</source>
+            <translation>Radial Quadrangle Parameter</translation>
+        </message>
         <message>
             <source>SMESH_NUMBER_OF_LAYERS_TITLE</source>
             <translation>Hypothesis Construction</translation>
         </message>
+	<message>
+            <source>SMESH_NUMBER_OF_LAYERS_2D_TITLE</source>
+            <translation>Hypothesis Construction</translation>
+        </message>
         <message>
             <source>SMESH_PROJECTION_SOURCE_1D_HYPOTHESIS</source>
             <translation>Projection Source 1D</translation>