diff --git a/library/html-server.js b/library/html-server.js
index bb89dcd..fc54436 100644
--- a/library/html-server.js
+++ b/library/html-server.js
@@ -72,7 +72,8 @@ class HtmlServer {
       .replace(/\[%total-packages%\]/g, escape(renderOptions.totalPackages.toLocaleString()))
       .replace(/\[%endpoint-path%\]/g, escape(renderOptions.endpointpath))
       .replace(/\[%fhir-version%\]/g, escape(renderOptions.fhirversion))
-      .replace(/\[%ms%\]/g, escape(renderOptions.processingTime.toString()));
+      .replace(/\[%ms%\]/g, escape(renderOptions.processingTime.toString()))
+      .replace(/\[%about%\]/g, renderOptions.about || '');
     
     // Handle any custom template variables
     if (options.templateVars) {
diff --git a/root-template.html b/root-template.html
index 0581173..284c91f 100644
--- a/root-template.html
+++ b/root-template.html
@@ -74,6 +74,7 @@ <h2><img border="0" src="/FHIRsmith32.png" style="vertical-align: text-bottom"/>
 
 [%content%]
 
+[%about%]
 
  </div>
 
diff --git a/server.js b/server.js
index 997bc9c..4098096 100644
--- a/server.js
+++ b/server.js
@@ -382,12 +382,20 @@ app.get('/', async (req, res) => {
       }
 
       const content = await buildRootPageContent();
-      
+
+      // Load optional about box fragment from data directory
+      let about = '';
+      const aboutPath = path.join(folders.dataDir(), 'about.html');
+      if (fs.existsSync(aboutPath)) {
+        about = fs.readFileSync(aboutPath, 'utf8');
+      }
+
       // Build basic stats for root page
       const stats = {
         version: packageJson.version,
         enabledModules: Object.keys(config.modules).filter(m => config.modules[m].enabled).length,
-        processingTime: Date.now() - startTime
+        processingTime: Date.now() - startTime,
+        about
       };
 
       const html = htmlServer.renderPage('root', escape(config.hostName) || 'FHIRsmith Server', content, stats);
diff --git a/tests/server/about-box.test.js b/tests/server/about-box.test.js
new file mode 100644
index 0000000..94bd791
--- /dev/null
+++ b/tests/server/about-box.test.js
@@ -0,0 +1,59 @@
+const path = require('path');
+const fs = require('fs');
+const tmp = require('tmp');
+
+const HtmlServer = require('../../library/html-server').constructor;
+
+describe('About box', () => {
+  let htmlServer;
+  let tmpDir;
+
+  beforeAll(() => {
+    tmpDir = tmp.dirSync({ unsafeCleanup: true });
+    htmlServer = new HtmlServer();
+    htmlServer.useLog({ error: jest.fn(), warn: jest.fn() });
+
+    // Load root template
+    const templatePath = path.join(__dirname, '../../root-template.html');
+    htmlServer.loadTemplate('root', templatePath);
+  });
+
+  afterAll(() => {
+    tmpDir.removeCallback();
+  });
+
+  test('renders about content when provided', () => {
+    const aboutHtml = '<div class="about">Custom About Content</div>';
+    const html = htmlServer.renderPage('root', 'Test', '<p>Main</p>', {
+      version: '1.0.0',
+      processingTime: 0,
+      about: aboutHtml
+    });
+    expect(html).toContain('Custom About Content');
+    expect(html).toContain('<div class="about">');
+  });
+
+  test('renders empty when about is not provided', () => {
+    const html = htmlServer.renderPage('root', 'Test', '<p>Main</p>', {
+      version: '1.0.0',
+      processingTime: 0
+    });
+    expect(html).not.toContain('[%about%]');
+  });
+
+  test('about.html is loaded from data directory when it exists', () => {
+    const aboutContent = '<p>Server operated by Acme Corp</p>';
+    fs.writeFileSync(path.join(tmpDir.name, 'about.html'), aboutContent);
+
+    const aboutPath = path.join(tmpDir.name, 'about.html');
+    expect(fs.existsSync(aboutPath)).toBe(true);
+
+    const loaded = fs.readFileSync(aboutPath, 'utf8');
+    expect(loaded).toBe(aboutContent);
+  });
+
+  test('missing about.html does not cause errors', () => {
+    const aboutPath = path.join(tmpDir.name, 'nonexistent', 'about.html');
+    expect(fs.existsSync(aboutPath)).toBe(false);
+  });
+});