diff --git a/src/diff.ts b/src/diff.ts
index 0ad6bde7..72a2a869 100644
--- a/src/diff.ts
+++ b/src/diff.ts
@@ -8,26 +8,40 @@ export async function run(diff: DiffResponse, repo: Repo): Promise<void> {
     digestContent.push(diff.public_url);
   }
   const digest = shaDigest(digestContent);
-  const body = buildCommentBody(repo.docDigest, diff, digest);
+  const body = buildCommentBody(repo, diff, digest);
 
   return repo.createOrUpdateComment(body, digest);
 }
 
-function buildCommentBody(docDigest: string, diff: DiffResponse, digest: string) {
+function buildCommentBody(repo: Repo, diff: DiffResponse, digest: string) {
   const emptySpace = '';
-  const poweredByBump = '> _Powered by [Bump.sh](https://bump.sh)_';
-  const text = diff.markdown || 'No structural change, nothing to display.';
+  const poweredByBump = '###### _Powered by [Bump.sh](https://bump.sh)_';
+  let text = 'No structural change, nothing to display.';
+  if (diff.markdown) {
+    text = `<details open><summary>Structural change details</summary>
 
-  return [title(diff)]
-    .concat([emptySpace, text])
-    .concat([viewDiffLink(diff), poweredByBump, bumpDiffComment(docDigest, digest)])
+${diff.markdown}
+
+</details>`;
+  }
+
+  return [title(diff, repo.doc, repo.hub, repo.branch)]
+    .concat([viewDiffLink(diff)])
+    .concat([text, emptySpace])
+    .concat([poweredByBump, bumpDiffComment(repo.docDigest, digest)])
     .join('\n');
 }
 
-function title(diff: DiffResponse): string {
-  const structureTitle = '🤖 API structural change detected:';
-  const contentTitle = 'ℹ️ API content change detected:';
-  const breakingTitle = '🚨 Breaking API change detected:';
+function title(diff: DiffResponse, doc: string, hub?: string, branch?: string): string {
+  let docName = [hub, doc].filter((e) => e).join('/');
+  // Capitalize doc name
+  docName = docName.charAt(0).toUpperCase() + docName.slice(1);
+  if (branch) {
+    docName = `${docName} (branch: ${branch})`;
+  }
+  const structureTitle = `### 🤖 ${docName} API structural change detected`;
+  const contentTitle = `### ℹ️ ${docName} API content change detected`;
+  const breakingTitle = `### 🚨 Breaking ${docName} API change detected`;
 
   if (diff.breaking) {
     return breakingTitle;
diff --git a/src/github.ts b/src/github.ts
index 6d34f321..25ed2e76 100644
--- a/src/github.ts
+++ b/src/github.ts
@@ -23,6 +23,9 @@ export class Repo {
   readonly baseSha?: string;
   readonly headSha?: string;
   private _docDigest: string;
+  readonly doc: string;
+  readonly hub: string | undefined;
+  readonly branch: string | undefined;
 
   constructor(doc: string, hub?: string, branch?: string) {
     // Fetch GitHub Action context
@@ -38,6 +41,9 @@ export class Repo {
       this.headSha = pull_request.head.sha;
     }
     this.octokit = this.getOctokit();
+    this.doc = doc;
+    this.hub = hub;
+    this.branch = branch;
     this._docDigest = shaDigest([doc, hub, branch]);
   }
 
diff --git a/tests/diff.test.ts b/tests/diff.test.ts
index 60809cc8..6fd2f7b3 100644
--- a/tests/diff.test.ts
+++ b/tests/diff.test.ts
@@ -43,22 +43,26 @@ describe('diff.ts', () => {
     };
     const digest = '4b81e612cafa6580f8ad3bfe9e970b2d961f58c2';
 
-    const repo = new Repo('hello');
-    const docDigest = shaDigest(['hello']);
+    const repo = new Repo('hello', '', 'v2');
+    const docDigest = shaDigest(['hello', '', 'v2']);
 
     await diff.run(result, repo);
 
     expect(repo.createOrUpdateComment).toHaveBeenCalledWith(
-      `🤖 API structural change detected:
+      `### 🤖 Hello (branch: v2) API structural change detected
+
+[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+
+<details open><summary>Structural change details</summary>
 
 * one
 * two
 * three
 
 
-[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+</details>
 
-> _Powered by [Bump.sh](https://bump.sh)_
+###### _Powered by [Bump.sh](https://bump.sh)_
 <!-- Bump.sh digest=${digest} doc=${docDigest} -->`,
       digest,
     );
@@ -72,18 +76,18 @@ describe('diff.ts', () => {
     };
     const digest = '3999a0fe6ad27841bd6342128f7028ab2cea1c57';
 
-    const repo = new Repo('hello');
-    const docDigest = shaDigest(['hello']);
+    const repo = new Repo('hello', 'my-hub', 'v1');
+    const docDigest = shaDigest(['hello', 'my-hub', 'v1']);
     await diff.run(result, repo);
 
     expect(repo.createOrUpdateComment).toHaveBeenCalledWith(
-      `ℹ️ API content change detected:
-
-No structural change, nothing to display.
+      `### ℹ️ My-hub/hello (branch: v1) API content change detected
 
 [Preview documentation](https://bump.sh/doc/my-doc/changes/654)
 
-> _Powered by [Bump.sh](https://bump.sh)_
+No structural change, nothing to display.
+
+###### _Powered by [Bump.sh](https://bump.sh)_
 <!-- Bump.sh digest=${digest} doc=${docDigest} -->`,
       digest,
     );
@@ -105,16 +109,20 @@ No structural change, nothing to display.
     await diff.run(result, repo);
 
     expect(repo.createOrUpdateComment).toHaveBeenCalledWith(
-      `🚨 Breaking API change detected:
+      `### 🚨 Breaking Hello API change detected
+
+[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+
+<details open><summary>Structural change details</summary>
 
 * one
 * two
 * three
 
 
-[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+</details>
 
-> _Powered by [Bump.sh](https://bump.sh)_
+###### _Powered by [Bump.sh](https://bump.sh)_
 <!-- Bump.sh digest=${digest} doc=${docDigest} -->`,
       digest,
     );
@@ -136,14 +144,18 @@ No structural change, nothing to display.
     await diff.run(result, repo);
 
     expect(repo.createOrUpdateComment).toHaveBeenCalledWith(
-      `🤖 API structural change detected:
+      `### 🤖 Hello API structural change detected
+
+<details open><summary>Structural change details</summary>
 
 * one
 * two
 * three
 
 
-> _Powered by [Bump.sh](https://bump.sh)_
+</details>
+
+###### _Powered by [Bump.sh](https://bump.sh)_
 <!-- Bump.sh digest=${digest} doc=${docDigest} -->`,
       digest,
     );
diff --git a/tests/fixtures/repo.ts b/tests/fixtures/repo.ts
index bb3b7d32..3742f380 100644
--- a/tests/fixtures/repo.ts
+++ b/tests/fixtures/repo.ts
@@ -6,6 +6,7 @@ export const mockCreateOrUpdateComment = jest.fn<repo.Repo['createOrUpdateCommen
 export const mockDeleteExistingComment = jest.fn<repo.Repo['deleteExistingComment']>();
 export const Repo = jest.fn().mockImplementation(() => {
   return {
+    doc: 'my-doc',
     getBaseFile: mockGetBaseFile,
     createOrUpdateComment: mockCreateOrUpdateComment,
     deleteExistingComment: mockDeleteExistingComment,
diff --git a/tests/main.test.ts b/tests/main.test.ts
index 015bea33..5c651381 100644
--- a/tests/main.test.ts
+++ b/tests/main.test.ts
@@ -267,13 +267,17 @@ describe('main.ts', () => {
       expect(repo.Repo).toHaveBeenCalledWith('my-doc', '', '');
       expect(repo.mockGetBaseFile).toHaveBeenCalledWith(file);
       expect(repo.mockCreateOrUpdateComment).toHaveBeenCalledWith(
-        `🚨 Breaking API change detected:
+        `### 🚨 Breaking My-doc API change detected
+
+[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+
+<details open><summary>Structural change details</summary>
 
 one
 
-[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+</details>
 
-> _Powered by [Bump.sh](https://bump.sh)_
+###### _Powered by [Bump.sh](https://bump.sh)_
 <!-- Bump.sh digest=${commentDigest} doc=undefined -->`,
         commentDigest,
       );
@@ -303,13 +307,17 @@ one
       expect(repo.Repo).toHaveBeenCalledWith('my-doc', '', '');
       expect(repo.mockGetBaseFile).toHaveBeenCalledWith(file);
       expect(repo.mockCreateOrUpdateComment).toHaveBeenCalledWith(
-        `🚨 Breaking API change detected:
+        `### 🚨 Breaking My-doc API change detected
+
+[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+
+<details open><summary>Structural change details</summary>
 
 one
 
-[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+</details>
 
-> _Powered by [Bump.sh](https://bump.sh)_
+###### _Powered by [Bump.sh](https://bump.sh)_
 <!-- Bump.sh digest=${commentDigest} doc=undefined -->`,
         commentDigest,
       );
@@ -337,13 +345,17 @@ one
       expect(repo.Repo).toHaveBeenCalledWith('', '', 'latest');
       expect(repo.mockGetBaseFile).toHaveBeenCalledWith(file);
       expect(repo.mockCreateOrUpdateComment).toHaveBeenCalledWith(
-        `🚨 Breaking API change detected:
+        `### 🚨 Breaking My-doc API change detected
+
+[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+
+<details open><summary>Structural change details</summary>
 
 one
 
-[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+</details>
 
-> _Powered by [Bump.sh](https://bump.sh)_
+###### _Powered by [Bump.sh](https://bump.sh)_
 <!-- Bump.sh digest=${commentDigest} doc=undefined -->`,
         commentDigest,
       );
@@ -372,13 +384,17 @@ one
 
       expect(repo.Repo).toHaveBeenCalledWith('', '', '');
       expect(repo.mockCreateOrUpdateComment).toHaveBeenCalledWith(
-        `🚨 Breaking API change detected:
+        `### 🚨 Breaking My-doc API change detected
+
+[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+
+<details open><summary>Structural change details</summary>
 
 one
 
-[Preview documentation](https://bump.sh/doc/my-doc/changes/654)
+</details>
 
-> _Powered by [Bump.sh](https://bump.sh)_
+###### _Powered by [Bump.sh](https://bump.sh)_
 <!-- Bump.sh digest=${commentDigest} doc=undefined -->`,
         commentDigest,
       );