diff --git a/index.html b/index.html
index 6208989..d700413 100644
--- a/index.html
+++ b/index.html
@@ -4,7 +4,7 @@ title: "blog"
 ---
 
 {% katexmm %}
-<p class="tcenter">A living $\bot$</p>
+<p class="tcenter">A living $\top$</p>
 {% endkatexmm %}
 
 <ul>