diff --git a/index.html b/index.html
index e1ce2d1..e5cf2ca 100644
--- a/index.html
+++ b/index.html
@@ -96,10 +96,10 @@
                 <li><a href="https://zhanganjun.com" class="more">Zhang Anjun's Homepage</a></li>
                 <li><a href="https://repo.zhanganjun.com/PKI/" class="more">PKI Repository</a></li>
                 <li><a href="https://repo.zhanganjun.com/OID/OID_Assignment.pdf" class="more">OID Assignment</a> (1.3.6.1.4.1.63420.1)</li>
-                <li><a href="https://repo.zhanganjun.com/PKI/cross-sign/" class="more">Legacy Root CA Repository</a> (Cross-signed by <a href="https://cacerts.zhanganjun.com/r1/RootCA-R1.crt" class="more">R1</a>)</li>
+                <li><a href="https://repo.zhanganjun.com/PKI/cross-sign/" class="more">Legacy Root CA Repository</a> (Cross-Signed by <a href="https://cacerts.zhanganjun.com/r1/RootCA-R1.crt" class="more">R1</a>)</li>
                 <li><a href="https://crt.sh" class="more">crt.sh</a> (Certificate Search)</li>
                 <li><a href="https://zaj.statuspage.io/" class="more">System Status</a></li>
-                <li><a href="https://github.com/CitizenBeta/PKI" class="more">GitHub Repository</a> (v1.5.1)</li>
+                <li><a href="https://github.com/CitizenBeta/PKI" class="more">GitHub Repository</a> (v1.5.2)</li>
             </ul>
         </div>
     </div>
@@ -114,10 +114,10 @@
                 <tr>
                     <td>
                         <ul class="disc">
-                            <li><a href="https://dodo.ct.comodo.com" class="more">Sectigo Dodo CT Log</a> (Inactive)</li>
                             <li><a href="https://tigger2025.ctlabs.sectigo.com" class="more">Sectigo Tigger 2025 CT Log</a> (Active, Jan 2025 - Dec 2025)</li>
                             <li><a href="https://tigger2026.ctlabs.sectigo.com" class="more">Sectigo Tigger 2026 CT Log</a> (Active, Jan 2026 - Dec 2026)</li>
                             <li><a href="https://tigger2027.ctlabs.sectigo.com" class="more">Sectigo Tigger 2027 CT Log</a> (Active, Jan 2027 - Dec 2027)</li>
+                            <li><a href="https://dodo.ct.comodo.com" class="more">Sectigo Dodo CT Log</a> (Inactive)</li>
                         </ul>
                     </td>
                 </tr>
@@ -125,10 +125,11 @@
         </div>
 
         <div class="grid2col column">
-            <h2>Contact</h2>
+            <h2>About</h2>
             <table>
                 <tr>
                     <td>
+                        Zhang Anjun PKI Services offers free certificate issuance service. <br>
                         Contact Zhang Anjun at <a href="mailto:admin@zhanganjun.com" class="more">admin@zhanganjun.com</a>.
                     </td>
                 </tr>