diff --git a/editors/demo/src/Editors.js b/editors/demo/src/Editors.js
index d19991a2ed8613a7f85ed0fed95a7dc6ef294736..abd0628fb70695fdd171c22a2956784070ef3345 100644
--- a/editors/demo/src/Editors.js
+++ b/editors/demo/src/Editors.js
@@ -70,7 +70,7 @@ const Editors = () => {
       case 'ncbi':
         return <NCBI />;
       default:
-        return <HHMI />;
+        return <Editoria />;
     }
   };
 
diff --git a/editors/demo/src/HHMI/layout/EditorElements.js b/editors/demo/src/HHMI/layout/EditorElements.js
index 9e50d1c478584ab846f4dc7fb463619280391613..65f8294b55907923cda2f6c2d467c62f43518158 100644
--- a/editors/demo/src/HHMI/layout/EditorElements.js
+++ b/editors/demo/src/HHMI/layout/EditorElements.js
@@ -326,7 +326,8 @@ export default css`
 
   .multiple-choice,
   .multiple-choice-single-correct,
-  .true-false {
+  .true-false,
+  .true-false-single-correct {
     border: 3px solid #f5f5f7;
     counter-reset: question-item-multiple;
     margin: 38px;
diff --git a/wax-prosemirror-services/src/MultipleChoiceQuestionService/MultipleChoiceQuestionService.js b/wax-prosemirror-services/src/MultipleChoiceQuestionService/MultipleChoiceQuestionService.js
index 29a78d46fca77f1eb14777d2ecf1ab8e553394c0..32b9cd5317ef61b6163734252bdc3fc2d1d8f1ec 100644
--- a/wax-prosemirror-services/src/MultipleChoiceQuestionService/MultipleChoiceQuestionService.js
+++ b/wax-prosemirror-services/src/MultipleChoiceQuestionService/MultipleChoiceQuestionService.js
@@ -6,6 +6,7 @@ import QuestionComponent from './components/QuestionComponent';
 import MultipleChoiceNodeView from './MultipleChoiceNodeView';
 import MultipleChoiceSingleCorrectQuestionService from './MultipleChoiceSingleCorrectQuestionService/MultipleChoiceSingleCorrectQuestionService';
 import TrueFalseQuestionService from './TrueFalseQuestionService/TrueFalseQuestionService';
+import TrueFalseSingleCorrectQuestionService from './TrueFalseSingleCorrectQuestionService/TrueFalseSingleCorrectQuestionService';
 
 class MultipleChoiceQuestionService extends Service {
   register() {
@@ -31,6 +32,7 @@ class MultipleChoiceQuestionService extends Service {
   dependencies = [
     new MultipleChoiceSingleCorrectQuestionService(),
     new TrueFalseQuestionService(),
+    new TrueFalseSingleCorrectQuestionService(),
   ];
 }
 
diff --git a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseQuestionService/TrueFalseQuestion.js b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseQuestionService/TrueFalseQuestion.js
index 403b2455100fb8c68e21db121c0d8d0074e14c58..c8b5de6ec35281bf18254204c056191fec0e9910 100644
--- a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseQuestionService/TrueFalseQuestion.js
+++ b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseQuestionService/TrueFalseQuestion.js
@@ -3,15 +3,12 @@ import { isEmpty } from 'lodash';
 import { injectable } from 'inversify';
 import { Commands } from 'wax-prosemirror-utilities';
 import { v4 as uuidv4 } from 'uuid';
-import { Fragment } from 'prosemirror-model';
-import { TextSelection } from 'prosemirror-state';
-import { wrapIn } from 'prosemirror-commands';
 import ToolBarBtn from '../components/ToolBarBtn';
 import helpers from '../helpers/helpers';
 import Tools from '../../lib/Tools';
 
 @injectable()
-class MultipleChoiceQuestion extends Tools {
+class TrueFalseQuestion extends Tools {
   title = 'Add True False Question';
   icon = 'multipleChoice';
   name = 'TrueFalse';
@@ -66,4 +63,4 @@ class MultipleChoiceQuestion extends Tools {
   }
 }
 
-export default MultipleChoiceQuestion;
+export default TrueFalseQuestion;
diff --git a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/TrueFalseSingleCorrectNodeView.js b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/TrueFalseSingleCorrectNodeView.js
index 327937384a6fcd686c6ae87a4faf854223029f37..d57375c18a0d127cb8bbc958004cc113d00c2289 100644
--- a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/TrueFalseSingleCorrectNodeView.js
+++ b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/TrueFalseSingleCorrectNodeView.js
@@ -23,7 +23,6 @@ export default class TrueFalseSingleCorrectNodeView extends AbstractNodeView {
   }
 
   update(node) {
-    // if (!node.sameMarkup(this.node)) return false;
     this.node = node;
     if (this.context.view[node.attrs.id]) {
       const { state } = this.context.view[node.attrs.id];
diff --git a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/TrueFalseSingleCorrectQuestionService.js b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/TrueFalseSingleCorrectQuestionService.js
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..f90d3bb2b41b767eea2e6d93019c5a1fe48e9983 100644
--- a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/TrueFalseSingleCorrectQuestionService.js
+++ b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/TrueFalseSingleCorrectQuestionService.js
@@ -0,0 +1,32 @@
+import Service from '../../Service';
+import TrueFalseSingleCorrectQuestion from './TrueFalseSingleCorrectQuestion';
+import trueFalseSingleCorrectNode from './schema/trueFalseSingleCorrectNode';
+import trueFalseSingleCorrectContainerNode from './schema/trueFalseSingleCorrectContainerNode';
+import QuestionComponent from './components/QuestionComponent';
+import TrueFalseSingleCorrectNodeView from './TrueFalseSingleCorrectNodeView';
+
+class TrueFalseSingleCorrectQuestionService extends Service {
+  register() {
+    this.container
+      .bind('TrueFalseSingleCorrectQuestion')
+      .to(TrueFalseSingleCorrectQuestion);
+    const createNode = this.container.get('CreateNode');
+    const addPortal = this.container.get('AddPortal');
+
+    createNode({
+      true_false_single_correct: trueFalseSingleCorrectNode,
+    });
+
+    createNode({
+      true_false_single_correct_container: trueFalseSingleCorrectContainerNode,
+    });
+
+    addPortal({
+      nodeView: TrueFalseSingleCorrectNodeView,
+      component: QuestionComponent,
+      context: this.app,
+    });
+  }
+}
+
+export default TrueFalseSingleCorrectQuestionService;
diff --git a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/components/QuestionComponent.js b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/components/QuestionComponent.js
index 1fb3cca3d7489a1a3c00529244e13dc237922a05..7f14fd96d7a80aa64e1425b767bc21ad9959620f 100644
--- a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/components/QuestionComponent.js
+++ b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/components/QuestionComponent.js
@@ -92,7 +92,7 @@ export default ({ node, view, getPos }) => {
   const addOption = nodeId => {
     const newAnswerId = uuidv4();
     context.view.main.state.doc.descendants((editorNode, index) => {
-      if (editorNode.type.name === 'multiple_choice_single_correct') {
+      if (editorNode.type.name === 'true_false_single_correct') {
         if (editorNode.attrs.id === nodeId) {
           context.view.main.dispatch(
             context.view.main.state.tr.setSelection(
@@ -104,7 +104,7 @@ export default ({ node, view, getPos }) => {
             ),
           );
 
-          const answerOption = context.view.main.state.config.schema.nodes.multiple_choice_single_correct.create(
+          const answerOption = context.view.main.state.config.schema.nodes.true_false_single_correct.create(
             { id: newAnswerId },
             Fragment.empty,
           );
diff --git a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/components/SwitchComponent.js b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/components/SwitchComponent.js
index e9110f8f34ca4c96aa609c5ba83983de21910798..434a544c5d13070af63d4ba9c4e20094eca0272b 100644
--- a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/components/SwitchComponent.js
+++ b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/components/SwitchComponent.js
@@ -41,13 +41,13 @@ const CustomSwitch = ({ node, getPos }) => {
     );
     const parentContainer = findParentOfType(
       main.state,
-      main.state.config.schema.nodes.multiple_choice_single_correct_container,
+      main.state.config.schema.nodes.true_false_single_correct_container,
     );
     let parentPosition = 0;
 
     main.state.doc.descendants((parentNode, parentPos) => {
       if (
-        parentNode.type.name === 'multiple_choice_single_correct_container' &&
+        parentNode.type.name === 'true_false_single_correct_container' &&
         parentNode.attrs.id === parentContainer.attrs.id
       ) {
         parentPosition = parentPos;
@@ -58,7 +58,7 @@ const CustomSwitch = ({ node, getPos }) => {
 
     parentContainer.descendants((element, position) => {
       if (
-        element.type.name === 'multiple_choice_single_correct' &&
+        element.type.name === 'true_false_single_correct' &&
         element.attrs.id === node.attrs.id
       ) {
         tr.setNodeMarkup(getPos(), undefined, {
@@ -66,7 +66,7 @@ const CustomSwitch = ({ node, getPos }) => {
           correct: !checked,
         });
       } else if (
-        element.type.name === 'multiple_choice_single_correct' &&
+        element.type.name === 'true_false_single_correct' &&
         element.attrs.correct
       ) {
         tr.setNodeMarkup(parentPosition + position + 1, undefined, {
@@ -95,7 +95,7 @@ const getNodes = view => {
   const allNodes = DocumentHelpers.findBlockNodes(view.state.doc);
   const multipleChoiceNodes = [];
   allNodes.forEach(node => {
-    if (node.node.type.name === 'multiple_choice_single_correct') {
+    if (node.node.type.name === 'true_false_single_correct') {
       multipleChoiceNodes.push(node);
     }
   });
diff --git a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/schema/trueFalseSingleCorrectNode.js b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/schema/trueFalseSingleCorrectNode.js
index b0720142709739573eb649ef169613ee0f3d6d90..6182b81c7693eda0a4f40928ec3ca5cb545e27e6 100644
--- a/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/schema/trueFalseSingleCorrectNode.js
+++ b/wax-prosemirror-services/src/MultipleChoiceQuestionService/TrueFalseSingleCorrectQuestionService/schema/trueFalseSingleCorrectNode.js
@@ -13,7 +13,7 @@ const trueFalseSingleCorrectNode = {
 
   parseDOM: [
     {
-      tag: 'true-false-single-correct-option',
+      tag: 'div.true-false-single-correct-option',
       getAttrs(dom) {
         return {
           id: dom.getAttribute('id'),
diff --git a/wax-prosemirror-services/src/MultipleChoiceQuestionService/components/FeedbackComponent.js b/wax-prosemirror-services/src/MultipleChoiceQuestionService/components/FeedbackComponent.js
index ce6248364514b317fce896059b5f98aac8a67c17..bc3a009d2643fd1dafc018bf1a1a2a7e984c90a9 100644
--- a/wax-prosemirror-services/src/MultipleChoiceQuestionService/components/FeedbackComponent.js
+++ b/wax-prosemirror-services/src/MultipleChoiceQuestionService/components/FeedbackComponent.js
@@ -24,7 +24,7 @@ const FeedBackInput = styled.input`
 
 export default ({ node, view, getPos }) => {
   const context = useContext(WaxContext);
-  const [feedBack, setFeedBack] = useState('');
+  const [feedBack, setFeedBack] = useState(' ');
   const [isFirstRun, setFirstRun] = useState(true);
   const [typing, setTyping] = useState(false);
   const feedBackRef = useRef(null);
diff --git a/wax-prosemirror-services/src/NoteService/Editor.js b/wax-prosemirror-services/src/NoteService/Editor.js
index fea500af3b59fd6db8b9e7ea0b982340a8e7ca05..79abe8b23f60bbac01052e780b1ecf4b1a09393f 100644
--- a/wax-prosemirror-services/src/NoteService/Editor.js
+++ b/wax-prosemirror-services/src/NoteService/Editor.js
@@ -83,13 +83,22 @@ export default ({ node, view }) => {
 
   const dispatchTransaction = transaction => {
     const { user } = view.props;
+
     const TrackChange = context.app.config.get(
       'config.EnableTrackChangeService',
     );
 
-    const tr = TrackChange.enabled
-      ? trackedTransaction(transaction, noteView.state, user, 'notes', noteId)
-      : transaction;
+    let tr = transaction;
+
+    if (TrackChange && TrackChange.enabled) {
+      tr = trackedTransaction(
+        transaction,
+        noteView.state,
+        user,
+        'notes',
+        noteId,
+      );
+    }
 
     const { state, transactions } = noteView.state.applyTransaction(tr);
     noteView.updateState(state);
diff --git a/wax-prosemirror-services/src/WaxToolGroups/MultipleDropDownToolGroupService/MultipleDropDown.js b/wax-prosemirror-services/src/WaxToolGroups/MultipleDropDownToolGroupService/MultipleDropDown.js
index 75f1b2359b9b7246af15978d2b4604373a71b6b7..a0c9e89d7b73e003fb583bb7dc4a3ad35346eee2 100644
--- a/wax-prosemirror-services/src/WaxToolGroups/MultipleDropDownToolGroupService/MultipleDropDown.js
+++ b/wax-prosemirror-services/src/WaxToolGroups/MultipleDropDownToolGroupService/MultipleDropDown.js
@@ -1,4 +1,4 @@
-import React, { useContext, useMemo } from 'react';
+import React, { useContext, useMemo, useEffect, useState } from 'react';
 import { injectable, inject } from 'inversify';
 import { isEmpty } from 'lodash';
 import { v4 as uuidv4 } from 'uuid';
@@ -16,12 +16,14 @@ class MultipleDropDown extends ToolGroup {
     @inject('MultipleChoiceSingleCorrectQuestion')
     multipleChoiceSingleCorrectQuestion,
     @inject('TrueFalseQuestion') trueFalseQuestion,
+    @inject('TrueFalseSingleCorrectQuestion') trueFalseSingleCorrectQuestion,
   ) {
     super();
     this.tools = [
       multipleChoiceQuestion,
       multipleChoiceSingleCorrectQuestion,
       trueFalseQuestion,
+      trueFalseSingleCorrectQuestion,
     ];
   }
 
@@ -64,10 +66,13 @@ class MultipleDropDown extends ToolGroup {
 
     const {
       activeView,
+      activeViewId,
       view: { main },
     } = context;
     const { state } = view;
 
+    const [label, setLabel] = useState(null);
+
     const dropDownOptions = [
       {
         label: 'Multiple Choice',
@@ -84,20 +89,22 @@ class MultipleDropDown extends ToolGroup {
         value: '2',
         item: this._tools[2],
       },
-      // {
-      //   label: 'True/False (single correct)',
-      //   value: '3',
-      //   item: this._tools[0],
-      // },
+      {
+        label: 'True/False (single correct)',
+        value: '3',
+        item: this._tools[3],
+      },
     ];
 
+    useEffect(() => {
+      dropDownOptions.forEach((option, i) => {
+        if (option.item.active(main.state)) {
+          setLabel(option.label);
+        }
+      });
+    }, [activeViewId]);
+
     const isDisabled = this._tools[0].select(state, activeView);
-    let found = '';
-    dropDownOptions.forEach((option, i) => {
-      if (option.item.active(main.state)) {
-        found = option.label;
-      }
-    });
 
     const onChange = option => {
       this._tools[option.value].run(main, context);
@@ -107,7 +114,7 @@ class MultipleDropDown extends ToolGroup {
       () => (
         <Wrapper key={uuidv4()}>
           <DropdownStyled
-            value={found}
+            value={label}
             key={uuidv4()}
             options={dropDownOptions}
             onChange={option => onChange(option)}
@@ -116,7 +123,7 @@ class MultipleDropDown extends ToolGroup {
           />
         </Wrapper>
       ),
-      [isDisabled],
+      [isDisabled, label],
     );
 
     return MultipleDropDown;