diff --git a/dev-info/index.html b/dev-info/index.html
index 43651e8..ce3c4b6 100644
--- a/dev-info/index.html
+++ b/dev-info/index.html
@@ -80,6 +80,7 @@
         <a href="/hardware/">Hardware</a>
         <a href="/cv/">Curriculum Vitae</a>
         <a href="/socials/">Socials</a>
+        <a href="/guestbook/">Guestbook</a>
 
     </div>
     <main class="intro">
diff --git a/guestbook/index.html b/guestbook/index.html
index cf1cead..38912f7 100644
--- a/guestbook/index.html
+++ b/guestbook/index.html
@@ -39,11 +39,12 @@
     <span class="hamburger" onclick="openNav()">&#9776;</span>
     <div id="mySidenav" class="sidenav">
         <a href="javascript:void(0)" class="closebtn" onclick="closeNav()">&times;</a>
-        <a href="/" class="active">Index</a>
+        <a href="/">Index</a>
         <a href="/dev-info/">Dev Info</a>
         <a href="/hardware/">Hardware</a>
         <a href="/cv/">Curriculum Vitae</a>
         <a href="/socials/">Socials</a>
+        <a href="/guestbook/" class="active">Guestbook</a>
 
     </div>
 
diff --git a/hardware/index.html b/hardware/index.html
index 7eceaa2..cfb6d2c 100644
--- a/hardware/index.html
+++ b/hardware/index.html
@@ -87,6 +87,7 @@
         <a href="/hardware/" class="active">Hardware</a>
         <a href="/cv/">Curriculum Vitae</a>
         <a href="/socials/">Socials</a>
+        <a href="/guestbook/">Guestbook</a>
 
     </div>
     <main class="intro">
diff --git a/index.html b/index.html
index d60d17b..7cf9333 100644
--- a/index.html
+++ b/index.html
@@ -80,6 +80,8 @@
         <a href="/hardware/">Hardware</a>
         <a href="/cv/">Curriculum Vitae</a>
         <a href="/socials/">Socials</a>
+        <a href="/guestbook/">Guestbook</a>
+
 
     </div>
 
diff --git a/socials/index.html b/socials/index.html
index 6af27a7..49511d5 100644
--- a/socials/index.html
+++ b/socials/index.html
@@ -81,6 +81,7 @@
         <a href="/hardware/">Hardware</a>
         <a href="/cv/">Curriculum Vitae</a>
         <a href="/socials/">Socials</a>
+        <a href="/guestbook/">Guestbook</a>
 
     </div>
     </header>