[css-inline-3] Update example. w3c#5329

Author: fantasai

css-inline-3/Overview.bs

@@ -1674,7 +1674,7 @@ Creating Initial Letters: the 'initial-letter' property</h3>
 			<dt>''initial-letter: 2.51 3''
 			<dd>
 				The size of the initial letter does not have to be an integral number of lines.
-				In this case only the bottom aligns.
+				In this case only the top aligns.
 
 				<img src="images/non-integer-initial.png" width="360"
 				     alt="Non-integral initial letter that only aligns at base">