diff --git a/_includes/footer.html b/_includes/footer.html
index 84f56e6..b8bd717 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -34,7 +34,6 @@
             var tex = $(this).text();
             return katex.renderToString(tex.replace(/%.*/g, ''), { displayMode: true });
         });
-    // $("span[class='katex-html']").replaceWith("")
 </script>
 
 <!-- Tracking API -->
diff --git a/assets/images/Signature.png b/assets/images/Signature.png
index b5c670a..d341d07 100644
Binary files a/assets/images/Signature.png and b/assets/images/Signature.png differ