diff --git a/pxtblocks/plugins/comments/blockComment.ts b/pxtblocks/plugins/comments/blockComment.ts
index 0d7da5f0dc8..457c40e8861 100644
--- a/pxtblocks/plugins/comments/blockComment.ts
+++ b/pxtblocks/plugins/comments/blockComment.ts
@@ -34,10 +34,10 @@ export class CommentIcon extends Blockly.icons.Icon {
      */
     protected weight = 3;
 
-    protected elementName: string = "comment";
     protected xOffsetFieldName = COMMENT_OFFSET_X_FIELD_NAME;
     protected yOffsetFieldName = COMMENT_OFFSET_Y_FIELD_NAME;
     protected bubbleClasses: string[] = [];
+    protected bubbleHeaderText: string = undefined;
 
     /** The bubble used to show editable text to the user. */
     protected textInputBubble: TextInputBubble | null = null;
@@ -175,7 +175,7 @@ export class CommentIcon extends Blockly.icons.Icon {
         eventUtils.fire(
             new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
                 this.sourceBlock,
-                this.elementName,
+                "comment",
                 null,
                 oldText,
                 text,
@@ -253,7 +253,7 @@ export class CommentIcon extends Blockly.icons.Icon {
         eventUtils.fire(
             new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
                 this.sourceBlock,
-                this.elementName,
+                "comment",
                 null,
                 this.text,
                 newText,
@@ -315,7 +315,7 @@ export class CommentIcon extends Blockly.icons.Icon {
                 new (eventUtils.get(eventUtils.BUBBLE_OPEN))(
                     this.sourceBlock,
                     visible,
-                    this.elementName,
+                    "comment",
                 ),
             );
         }
@@ -333,6 +333,7 @@ export class CommentIcon extends Blockly.icons.Icon {
             this.getBubbleOwnerRect(),
             false,
             this.bubbleClasses,
+            this.bubbleHeaderText,
         );
         this.textInputBubble.setText(this.getText());
         this.textInputBubble.setSize(this.bubbleSize, true);
@@ -362,6 +363,7 @@ export class CommentIcon extends Blockly.icons.Icon {
             this.getBubbleOwnerRect(),
             true,
             this.bubbleClasses,
+            this.bubbleHeaderText,
         );
         this.textInputBubble.setText(this.getText());
         this.textInputBubble.setSize(this.bubbleSize, true);
diff --git a/pxtblocks/plugins/comments/bubble.ts b/pxtblocks/plugins/comments/bubble.ts
index a86323986c2..d416cdfe38e 100644
--- a/pxtblocks/plugins/comments/bubble.ts
+++ b/pxtblocks/plugins/comments/bubble.ts
@@ -1,6 +1,7 @@
 import * as Blockly from "blockly";
 
 import dom = Blockly.utils.dom;
+import { setHsvSaturation } from "blockly/core/utils/colour";
 
 /**
  * The abstract pop-up bubble class. This creates a UI that looks like a speech
@@ -56,6 +57,8 @@ export abstract class Bubble implements Blockly.IDeletable {
 
     private topBar: SVGRectElement;
 
+    protected header: SVGTextElement;
+
     protected deleteIcon: SVGImageElement;
 
     private collapseIcon: SVGImageElement;
@@ -76,6 +79,7 @@ export abstract class Bubble implements Blockly.IDeletable {
         public readonly workspace: Blockly.WorkspaceSvg,
         protected anchor: Blockly.utils.Coordinate,
         protected ownerRect?: Blockly.utils.Rect,
+        protected headerText?: string,
     ) {
         this.id = Blockly.utils.idGenerator.getNextUniqueId();
         this.svgRoot = dom.createSvgElement(
@@ -121,6 +125,17 @@ export abstract class Bubble implements Blockly.IDeletable {
             embossGroup
         );
 
+        if (this.headerText) {
+            this.header = dom.createSvgElement(
+                Blockly.utils.Svg.TEXT,
+                {
+                    'class': 'blocklyText bubbleHeaderText'
+                },
+                embossGroup
+            );
+            this.header.textContent = this.headerText;
+        }
+
         this.deleteIcon = dom.createSvgElement(
             Blockly.utils.Svg.IMAGE,
             {
@@ -227,6 +242,7 @@ export abstract class Bubble implements Blockly.IDeletable {
         const topBarSize = this.topBar.getBBox();
         const deleteSize = this.deleteIcon.getBBox();
         const foldoutSize = this.collapseIcon.getBBox();
+        const headerSize = this.header?.getBBox();
 
         size.width = Math.max(size.width, Bubble.MIN_SIZE);
         size.height = Math.max(size.height, Bubble.MIN_SIZE);
@@ -239,6 +255,9 @@ export abstract class Bubble implements Blockly.IDeletable {
 
         this.updateDeleteIconPosition(size, topBarSize, deleteSize);
         this.updateFoldoutIconPosition(topBarSize, foldoutSize);
+        if (headerSize) {
+            this.updateHeaderPosition(topBarSize, foldoutSize, deleteSize, headerSize);
+        }
 
         if (relayout) {
             this.positionByRect(this.ownerRect);
@@ -701,6 +720,25 @@ export abstract class Bubble implements Blockly.IDeletable {
         this.collapseIcon.setAttribute('x', `${foldoutMargin}`);
     }
 
+    private updateHeaderPosition(topBarSize: Blockly.utils.Size, foldoutSize: Blockly.utils.Size, deleteSize: Blockly.utils.Size, headerSize: Blockly.utils.Size) {
+        const foldoutMargin = this.calcFoldoutMargin(topBarSize, foldoutSize);
+        const deleteMargin = this.calcDeleteMargin(topBarSize, deleteSize);
+
+        // Position right of the foldout icon.
+        // Note, the y position is relative to the bottom of the text.
+        const xPos = foldoutSize.width + foldoutMargin + Bubble.BORDER_WIDTH;
+        const yPos = topBarSize.height - headerSize.height / 2 + Bubble.BORDER_WIDTH + 1.5 /* 1.5 is hackathon nudge to get this thing centered */;
+
+        // foldoutMargin intentionally included twice (once for left of icon, once for right)
+        if (topBarSize.width > xPos + foldoutMargin + headerSize.width + deleteSize.width + deleteMargin) {
+            this.header?.setAttribute('visibility', 'visibile');
+            this.header?.setAttribute('y', `${yPos}`);
+            this.header?.setAttribute('x', `${xPos}`);
+        } else {
+            this.header?.setAttribute('visibility', 'collapse');
+        }
+    }
+
     /** Calculates the margin that should exist around the delete icon. */
     private calcDeleteMargin(topBarSize: Blockly.utils.Size, deleteSize: Blockly.utils.Size) {
         return ((topBarSize.height - deleteSize.height) / 2) + Bubble.BORDER_WIDTH;
@@ -720,4 +758,8 @@ Blockly.Css.register(`
 .blocklyBubble .blocklyTextarea.blocklyText {
     color: #575E75;
 }
-`);
\ No newline at end of file
+
+.blocklyText.bubbleHeaderText {
+    font-weight: bold;
+}
+`);
diff --git a/pxtblocks/plugins/comments/reviewCommentIcon.ts b/pxtblocks/plugins/comments/reviewCommentIcon.ts
index 725ab6f3e9b..010fdf51f2d 100644
--- a/pxtblocks/plugins/comments/reviewCommentIcon.ts
+++ b/pxtblocks/plugins/comments/reviewCommentIcon.ts
@@ -38,6 +38,7 @@ export class ReviewCommentIcon extends CommentIcon {
     protected xOffsetFieldName = REVIEW_COMMENT_OFFSET_X_FIELD_NAME;
     protected yOffsetFieldName = REVIEW_COMMENT_OFFSET_Y_FIELD_NAME;
     protected bubbleClasses = ["reviewCommentBubble"];
+    protected bubbleHeaderText = lf("Feedback");
 
     constructor(protected readonly sourceBlock: Blockly.Block) {
         super(sourceBlock);
diff --git a/pxtblocks/plugins/comments/textinput_bubble.ts b/pxtblocks/plugins/comments/textinput_bubble.ts
index 26fb1eff4af..405dd05236a 100644
--- a/pxtblocks/plugins/comments/textinput_bubble.ts
+++ b/pxtblocks/plugins/comments/textinput_bubble.ts
@@ -68,8 +68,9 @@ export class TextInputBubble extends Bubble {
         protected ownerRect?: Blockly.utils.Rect,
         protected readonly readOnly?: boolean,
         protected readonly additionalClasses?: string[],
+        protected headerText?: string,
     ) {
-        super(workspace, anchor, ownerRect);
+        super(workspace, anchor, ownerRect, headerText);
         dom.addClass(this.svgRoot, 'blocklyTextInputBubble');
         if (additionalClasses?.length) {
             additionalClasses.forEach((c) => dom.addClass(this.svgRoot, c));