some testing changes

docs/index.md

@@ -1,6 +1,6 @@
-# Welcome to MkDocs
+# Welcome to my blog
+
 
-For full documentation visit [mkdocs.org](https://www.mkdocs.org).
 
 ## Commands
 
@@ -9,6 +9,12 @@ For full documentation visit [mkdocs.org](https://www.mkdocs.org).
 * `mkdocs build` - Build the documentation site.
 * `mkdocs -h` - Print help message and exit.
 
+## Testing
+
+$$\Huge
+\lim_{N \rightarrow \infty}\sum_{i=1}^N \frac{1}{i} = \infty
+$$
+
 ## Project layout
 
     mkdocs.yml    # The configuration file.