revising examples

Author: howcome

css-multicol/Overview.src.html

@@ -2014,7 +2014,7 @@ <h3>Overflow inside multicol elements</h3>
 
 <div class=example>
 
-<p>In this example, the black image is wider than the column:
+<p>In this example, the image is wider than the column:
 
 <div class=cols>
 <p>Lorem ipsum dolor<br>sit amet. Nam at jus.