diff --git a/content/post/2025-07-06-mathematical-formulae.md b/content/post/2025-07-06-mathematical-formulae.md
index 93eda5c..28897f4 100644
--- a/content/post/2025-07-06-mathematical-formulae.md
+++ b/content/post/2025-07-06-mathematical-formulae.md
@@ -1,6 +1,6 @@
 ---
 layout:     post
-title:      "Authoring mathematical formulae"
+title:      "This is the Updated Stuff"
 description: "Cleanwhite theme now has built-in support for authoring mathematical or chemical equations"
 excerpt: "The theme uses Hugo's embedded instance of the KaTeX display engine to render mathematical markup to HTML at build time."
 date:    2025-07-06
diff --git a/hugo.toml b/hugo.toml
index c6151b5..8318244 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -91,7 +91,7 @@ home = ["HTML", "RSS", "Algolia"]
 
   [params.social]
   rss            = true 
-  email          = "youremail@gmail.com"
+  email          = "david@young.computer"
   #facebook      = "full profile url in facebook"
   #googleplus    = "full profile url in googleplus"
   #twitter       = "full profile url in twitter"
diff --git a/public/categories/tips/index.xml b/public/categories/tips/index.xml
index e450069..cd5aa37 100644
--- a/public/categories/tips/index.xml
+++ b/public/categories/tips/index.xml
@@ -9,7 +9,7 @@
     <lastBuildDate>Sun, 06 Jul 2025 00:00:00 +0000</lastBuildDate>
     <atom:link href="https://davidpaulyoung.com/categories/tips/index.xml" rel="self" type="application/rss+xml" />
     <item>
-      <title>Authoring mathematical formulae</title>
+      <title>This is the Updated Stuff</title>
       <link>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</link>
       <pubDate>Sun, 06 Jul 2025 00:00:00 +0000</pubDate>
       <guid>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</guid>
diff --git a/public/index.xml b/public/index.xml
index 5e9b478..2fb37da 100644
--- a/public/index.xml
+++ b/public/index.xml
@@ -9,7 +9,7 @@
     <lastBuildDate>Sun, 06 Jul 2025 00:00:00 +0000</lastBuildDate>
     <atom:link href="https://davidpaulyoung.com/index.xml" rel="self" type="application/rss+xml" />
     <item>
-      <title>Authoring mathematical formulae</title>
+      <title>This is the Updated Stuff</title>
       <link>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</link>
       <pubDate>Sun, 06 Jul 2025 00:00:00 +0000</pubDate>
       <guid>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</guid>
diff --git a/public/post/index.xml b/public/post/index.xml
index a6701c3..b2a84fe 100644
--- a/public/post/index.xml
+++ b/public/post/index.xml
@@ -9,7 +9,7 @@
     <lastBuildDate>Sun, 06 Jul 2025 00:00:00 +0000</lastBuildDate>
     <atom:link href="https://davidpaulyoung.com/post/index.xml" rel="self" type="application/rss+xml" />
     <item>
-      <title>Authoring mathematical formulae</title>
+      <title>This is the Updated Stuff</title>
       <link>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</link>
       <pubDate>Sun, 06 Jul 2025 00:00:00 +0000</pubDate>
       <guid>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</guid>
diff --git a/public/sitemap.xml b/public/sitemap.xml
index 99b7d65..2ab7523 100644
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -2,9 +2,6 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
   xmlns:xhtml="http://www.w3.org/1999/xhtml">
   <url>
-    <loc>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</loc>
-    <lastmod>2025-07-06T00:00:00+00:00</lastmod>
-  </url><url>
     <loc>https://davidpaulyoung.com/categories/</loc>
     <lastmod>2025-07-06T00:00:00+00:00</lastmod>
   </url><url>
@@ -22,6 +19,9 @@
   </url><url>
     <loc>https://davidpaulyoung.com/tags/</loc>
     <lastmod>2025-07-06T00:00:00+00:00</lastmod>
+  </url><url>
+    <loc>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</loc>
+    <lastmod>2025-07-06T00:00:00+00:00</lastmod>
   </url><url>
     <loc>https://davidpaulyoung.com/categories/tips/</loc>
     <lastmod>2025-07-06T00:00:00+00:00</lastmod>
diff --git a/public/tags/katex/index.xml b/public/tags/katex/index.xml
index bb32f8c..0b3ba59 100644
--- a/public/tags/katex/index.xml
+++ b/public/tags/katex/index.xml
@@ -9,7 +9,7 @@
     <lastBuildDate>Sun, 06 Jul 2025 00:00:00 +0000</lastBuildDate>
     <atom:link href="https://davidpaulyoung.com/tags/katex/index.xml" rel="self" type="application/rss+xml" />
     <item>
-      <title>Authoring mathematical formulae</title>
+      <title>This is the Updated Stuff</title>
       <link>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</link>
       <pubDate>Sun, 06 Jul 2025 00:00:00 +0000</pubDate>
       <guid>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</guid>
diff --git a/public/tags/math/index.xml b/public/tags/math/index.xml
index d98cd3c..5f60b8f 100644
--- a/public/tags/math/index.xml
+++ b/public/tags/math/index.xml
@@ -9,7 +9,7 @@
     <lastBuildDate>Sun, 06 Jul 2025 00:00:00 +0000</lastBuildDate>
     <atom:link href="https://davidpaulyoung.com/tags/math/index.xml" rel="self" type="application/rss+xml" />
     <item>
-      <title>Authoring mathematical formulae</title>
+      <title>This is the Updated Stuff</title>
       <link>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</link>
       <pubDate>Sun, 06 Jul 2025 00:00:00 +0000</pubDate>
       <guid>https://davidpaulyoung.com/2025/07/06/mathematical-formulae/</guid>