diff --git a/eeschema/dialogs/dialog_lib_new_component_base.cpp b/eeschema/dialogs/dialog_lib_new_component_base.cpp
index f75585f985..9f524df3c0 100644
--- a/eeschema/dialogs/dialog_lib_new_component_base.cpp
+++ b/eeschema/dialogs/dialog_lib_new_component_base.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version 3.9.0 Jun  3 2020)
+// C++ code generated with wxFormBuilder (version 3.9.0 Nov  1 2020)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO *NOT* EDIT THIS FILE!
@@ -69,6 +69,8 @@ DIALOG_LIB_NEW_COMPONENT_BASE::DIALOG_LIB_NEW_COMPONENT_BASE( wxWindow* parent,
 	bSizer17 = new wxBoxSizer( wxVERTICAL );
 
 	m_checkLockItems = new wxCheckBox( this, wxID_ANY, _("Units are not interchangeable"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_checkLockItems->SetToolTip( _("Check this option to allow symbols with multiple units to have different\nelements.  Uncheck this option when all symbol units are identical except\nfor pin numbers.") );
+
 	bSizer17->Add( m_checkLockItems, 0, wxRIGHT|wxLEFT, 5 );
 
 	m_checkHasConversion = new wxCheckBox( this, wxID_ANY, _("Create symbol with alternate body style (DeMorgan)"), wxDefaultPosition, wxDefaultSize, 0 );
diff --git a/eeschema/dialogs/dialog_lib_new_component_base.fbp b/eeschema/dialogs/dialog_lib_new_component_base.fbp
index ea9b2f4b06..67daffe5b6 100644
--- a/eeschema/dialogs/dialog_lib_new_component_base.fbp
+++ b/eeschema/dialogs/dialog_lib_new_component_base.fbp
@@ -650,7 +650,7 @@
                                         <property name="style"></property>
                                         <property name="subclass"></property>
                                         <property name="toolbar_pane">0</property>
-                                        <property name="tooltip"></property>
+                                        <property name="tooltip">Check this option to allow symbols with multiple units to have different&#x0A;elements.  Uncheck this option when all symbol units are identical except&#x0A;for pin numbers.</property>
                                         <property name="validator_data_type"></property>
                                         <property name="validator_style">wxFILTER_NONE</property>
                                         <property name="validator_type">wxDefaultValidator</property>
diff --git a/eeschema/dialogs/dialog_lib_new_component_base.h b/eeschema/dialogs/dialog_lib_new_component_base.h
index 91cddde5eb..2f93512510 100644
--- a/eeschema/dialogs/dialog_lib_new_component_base.h
+++ b/eeschema/dialogs/dialog_lib_new_component_base.h
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version 3.9.0 Jun  3 2020)
+// C++ code generated with wxFormBuilder (version 3.9.0 Nov  1 2020)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO *NOT* EDIT THIS FILE!
diff --git a/eeschema/dialogs/dialog_lib_symbol_properties_base.cpp b/eeschema/dialogs/dialog_lib_symbol_properties_base.cpp
index cb97d84438..d444607e3f 100644
--- a/eeschema/dialogs/dialog_lib_symbol_properties_base.cpp
+++ b/eeschema/dialogs/dialog_lib_symbol_properties_base.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Oct 26 2018)
+// C++ code generated with wxFormBuilder (version 3.9.0 Nov  1 2020)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO *NOT* EDIT THIS FILE!
@@ -197,7 +197,7 @@ DIALOG_LIB_SYMBOL_PROPERTIES_BASE::DIALOG_LIB_SYMBOL_PROPERTIES_BASE( wxWindow*
 	sbSizerSymbol->Add( bSizerUnitCount, 1, wxEXPAND|wxLEFT|wxTOP, 5 );
 
 	m_OptionPartsLocked = new wxCheckBox( sbSizerSymbol->GetStaticBox(), wxID_ANY, _("All units are not interchangeable"), wxDefaultPosition, wxDefaultSize, 0 );
-	m_OptionPartsLocked->SetToolTip( _("Check this option when creating multiple unit symbols and all units are not interchangeable") );
+	m_OptionPartsLocked->SetToolTip( _("Check this option to allow symbols with multiple units to have different\nelements.  Uncheck this option when all symbol units are identical except\nfor pin numbers.") );
 
 	sbSizerSymbol->Add( m_OptionPartsLocked, 0, wxALL, 5 );
 
diff --git a/eeschema/dialogs/dialog_lib_symbol_properties_base.fbp b/eeschema/dialogs/dialog_lib_symbol_properties_base.fbp
index e5276131f8..9184db2cf2 100644
--- a/eeschema/dialogs/dialog_lib_symbol_properties_base.fbp
+++ b/eeschema/dialogs/dialog_lib_symbol_properties_base.fbp
@@ -14,6 +14,7 @@
         <property name="file">dialog_lib_symbol_properties_base</property>
         <property name="first_id">1000</property>
         <property name="help_provider">none</property>
+        <property name="image_path_wrapper_function_name"></property>
         <property name="indent_with_spaces"></property>
         <property name="internationalize">1</property>
         <property name="name">DIALOG_LIB_SYMBOL_PROPERTIES</property>
@@ -25,6 +26,7 @@
         <property name="skip_php_events">1</property>
         <property name="skip_python_events">1</property>
         <property name="ui_table">UI</property>
+        <property name="use_array_enum">0</property>
         <property name="use_enum">0</property>
         <property name="use_microsoft_bom">0</property>
         <object class="Dialog" expanded="1">
@@ -308,6 +310,7 @@
                                                                     <property name="aui_name"></property>
                                                                     <property name="aui_position"></property>
                                                                     <property name="aui_row"></property>
+                                                                    <property name="auth_needed">0</property>
                                                                     <property name="best_size"></property>
                                                                     <property name="bg"></property>
                                                                     <property name="bitmap"></property>
@@ -381,6 +384,7 @@
                                                                     <property name="aui_name"></property>
                                                                     <property name="aui_position"></property>
                                                                     <property name="aui_row"></property>
+                                                                    <property name="auth_needed">0</property>
                                                                     <property name="best_size"></property>
                                                                     <property name="bg"></property>
                                                                     <property name="bitmap"></property>
@@ -454,6 +458,7 @@
                                                                     <property name="aui_name"></property>
                                                                     <property name="aui_position"></property>
                                                                     <property name="aui_row"></property>
+                                                                    <property name="auth_needed">0</property>
                                                                     <property name="best_size"></property>
                                                                     <property name="bg"></property>
                                                                     <property name="bitmap"></property>
@@ -537,6 +542,7 @@
                                                                     <property name="aui_name"></property>
                                                                     <property name="aui_position"></property>
                                                                     <property name="aui_row"></property>
+                                                                    <property name="auth_needed">0</property>
                                                                     <property name="best_size"></property>
                                                                     <property name="bg"></property>
                                                                     <property name="bitmap"></property>
@@ -1608,7 +1614,7 @@
                                                                             <property name="style"></property>
                                                                             <property name="subclass"></property>
                                                                             <property name="toolbar_pane">0</property>
-                                                                            <property name="tooltip">Check this option when creating multiple unit symbols and all units are not interchangeable</property>
+                                                                            <property name="tooltip">Check this option to allow symbols with multiple units to have different&#x0A;elements.  Uncheck this option when all symbol units are identical except&#x0A;for pin numbers.</property>
                                                                             <property name="validator_data_type"></property>
                                                                             <property name="validator_style">wxFILTER_NONE</property>
                                                                             <property name="validator_type">wxDefaultValidator</property>
@@ -2278,6 +2284,7 @@
                                                                     <property name="aui_name"></property>
                                                                     <property name="aui_position"></property>
                                                                     <property name="aui_row"></property>
+                                                                    <property name="auth_needed">0</property>
                                                                     <property name="best_size"></property>
                                                                     <property name="bg"></property>
                                                                     <property name="bitmap"></property>
@@ -2351,6 +2358,7 @@
                                                                     <property name="aui_name"></property>
                                                                     <property name="aui_position"></property>
                                                                     <property name="aui_row"></property>
+                                                                    <property name="auth_needed">0</property>
                                                                     <property name="best_size"></property>
                                                                     <property name="bg"></property>
                                                                     <property name="bitmap"></property>
@@ -2434,6 +2442,7 @@
                                                                     <property name="aui_name"></property>
                                                                     <property name="aui_position"></property>
                                                                     <property name="aui_row"></property>
+                                                                    <property name="auth_needed">0</property>
                                                                     <property name="best_size"></property>
                                                                     <property name="bg"></property>
                                                                     <property name="bitmap"></property>
@@ -2537,6 +2546,7 @@
                                 <property name="aui_name"></property>
                                 <property name="aui_position"></property>
                                 <property name="aui_row"></property>
+                                <property name="auth_needed">0</property>
                                 <property name="best_size"></property>
                                 <property name="bg"></property>
                                 <property name="bitmap"></property>
diff --git a/eeschema/dialogs/dialog_lib_symbol_properties_base.h b/eeschema/dialogs/dialog_lib_symbol_properties_base.h
index 73c9071d83..af4156d8c8 100644
--- a/eeschema/dialogs/dialog_lib_symbol_properties_base.h
+++ b/eeschema/dialogs/dialog_lib_symbol_properties_base.h
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Oct 26 2018)
+// C++ code generated with wxFormBuilder (version 3.9.0 Nov  1 2020)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO *NOT* EDIT THIS FILE!