Typo

Author: Brideau

index.html

@@ -1552,7 +1552,7 @@ <h2>Position: fixed</h2>
         <section class="slide" data-markdown>
             ##Sticky Footer
 
-            Remember the natural stacking order? HTML elements stack on top of each other in the order that they appear in the HTML.  Each element is a tall as their content (unless otherwise specified).  
+            Remember the natural stacking order? HTML elements stack on top of each other in the order that they appear in the HTML.  Each element is as tall as their content (unless otherwise specified).  
 
             On the home page, the footer appears right below the headings. On the about page, it appears on the bottom because the content is long enough to scroll.  And on the contact page, you can't even see it because it's hidden underneath the positioned header!
 
@@ -1899,7 +1899,7 @@ <h2>Center aligning with margin</h2>
                 }
                 ```
 
-            1. Right align the icon and the list items.  Can be added to the `nav` selector so icon and list items will inherit the styles.  Change the font size to make it bigger too.  The icon will also need a little bit of padding to make the hover target a little bigger and for alignment.
+            1. Right align the icon and the list items.  This can be added to the `nav` selector so icon and list items will inherit the styles.  Change the font size to make it bigger too.  The icon will also need a little bit of padding to make the hover target a little bigger and for alignment.
                 ```
                 .home nav {
                     text-align: right;