diff --git a/src/pages/guestbook.njk b/src/pages/guestbook.njk
index 5bb5ef2a..7a5d6f5a 100644
--- a/src/pages/guestbook.njk
+++ b/src/pages/guestbook.njk
@@ -44,6 +44,6 @@ eleventyComputed:
 <style>
     .gb__messages--title {
         text-align: center;
-        margin-tbottom: 0.5em;
+        margin-bottom: 0.5em;
     }
 </style>
\ No newline at end of file