diff --git a/_posts/detail/2012-07-01-nodejs.html b/_posts/detail/2012-07-01-nodejs.html
index 0b5dac4..1898528 100755
--- a/_posts/detail/2012-07-01-nodejs.html
+++ b/_posts/detail/2012-07-01-nodejs.html
@@ -363,7 +363,7 @@ <h3 class="board-card-title">Crypto</h3>
         </div>
 
         <div class="board-card">
-            <h3 class="board-card-title">TSL(SSL)</h3>
+            <h3 class="board-card-title">TLS(SSL)</h3>
             <ul>
                 <li><a href="http://nodejs.org/api/tls.html#tls_client_initiated_renegotiation_attack_mitigation">Client-initiated renegotiation attack mitigation</a></li>
                 <li><a href="http://nodejs.org/api/tls.html#tls_npn_and_sni">NPN and SNI</a></li>