diff --git a/src/diff.ts b/src/diff.ts
index 72a2a869..2de4aa90 100644
--- a/src/diff.ts
+++ b/src/diff.ts
@@ -25,20 +25,14 @@ ${diff.markdown}
 </details>`;
   }
 
-  return [title(diff, repo.doc, repo.hub, repo.branch)]
+  return [title(diff, docName(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, 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})`;
-  }
+function title(diff: DiffResponse, docName: string): string {
   const structureTitle = `### 🤖 ${docName} API structural change detected`;
   const contentTitle = `### ℹ️ ${docName} API content change detected`;
   const breakingTitle = `### 🚨 Breaking ${docName} API change detected`;
@@ -61,3 +55,23 @@ function viewDiffLink(diff: DiffResponse): string {
     return '';
   }
 }
+
+function docName(
+  diff: DiffResponse & { doc_name?: string },
+  doc: string,
+  hub?: string,
+  branch?: string,
+): string {
+  const docNameFromDiff = diff.doc_name;
+  let name: string;
+  if (docNameFromDiff) {
+    name = docNameFromDiff;
+  } else {
+    name = [hub, doc].filter((e) => e).join('/');
+    name = name.charAt(0).toUpperCase() + name.slice(1);
+  }
+  if (branch) {
+    name = `${name} (branch: ${branch})`;
+  }
+  return name;
+}
diff --git a/tests/diff.test.ts b/tests/diff.test.ts
index 6fd2f7b3..b22c7e5e 100644
--- a/tests/diff.test.ts
+++ b/tests/diff.test.ts
@@ -60,6 +60,44 @@ describe('diff.ts', () => {
 * three
 
 
+</details>
+
+###### _Powered by [Bump.sh](https://bump.sh)_
+<!-- Bump.sh digest=${digest} doc=${docDigest} -->`,
+      digest,
+    );
+  });
+
+  test('test github diff run process (with doc_name)', async () => {
+    const result: bump.DiffResponse & { doc_name?: string } = {
+      id: '123abc',
+      markdown: `* one
+* two
+* three
+`,
+      public_url: 'https://bump.sh/doc/my-doc/changes/654',
+      breaking: false,
+      doc_name: 'My API Documentation',
+    };
+    const digest = '4b81e612cafa6580f8ad3bfe9e970b2d961f58c2';
+
+    const repo = new Repo('id-42', '', 'v2');
+    const docDigest = shaDigest(['id-42', '', 'v2']);
+
+    await diff.run(result, repo);
+
+    expect(repo.createOrUpdateComment).toHaveBeenCalledWith(
+      `### 🤖 My API Documentation (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
+
+
 </details>
 
 ###### _Powered by [Bump.sh](https://bump.sh)_
@@ -69,10 +107,11 @@ describe('diff.ts', () => {
   });
 
   test('test github diff with no structural change', async () => {
-    const result: bump.DiffResponse = {
+    const result: bump.DiffResponse & { doc_name?: string } = {
       id: '123abc',
       public_url: 'https://bump.sh/doc/my-doc/changes/654',
       breaking: false,
+      doc_name: 'My API Documentation',
     };
     const digest = '3999a0fe6ad27841bd6342128f7028ab2cea1c57';
 
@@ -81,7 +120,7 @@ describe('diff.ts', () => {
     await diff.run(result, repo);
 
     expect(repo.createOrUpdateComment).toHaveBeenCalledWith(
-      `### ℹ️ My-hub/hello (branch: v1) API content change detected
+      `### ℹ️ My API Documentation (branch: v1) API content change detected
 
 [Preview documentation](https://bump.sh/doc/my-doc/changes/654)