Fix syntax typos in documentation about not to render the React data attributes

Author: xabikos

site/jekyll/guides/server-side-rendering.md

@@ -85,7 +85,7 @@ If thre is no need to have a React application client side and you just want to
 })
 ```
 
-And the Html markup will look like the one following which is a lot cleaner. In this case there is no need to laod the React script or call the `Html.ReactInitJavaScript()` method.
+And the Html mark up will look like the one following which is a lot cleaner. In this case there is no need to load the React script or call the `Html.ReactInitJavaScript()` method.
 
 ```html
 <div id="react1">