revising note on future functionality

Author: howcome

css-multicol/Overview.src.html

@@ -555,15 +555,13 @@ <h2>The multi-column model</h2>
 implementation-specific limits.
 
 
-<p>It is not possible to set properties/values on column boxes. For
+<p class="note">It is not possible to set properties/values on column boxes. For
 example, the background of a certain column box cannot be set and a
-column box has no concept of padding, margin or borders.
-
-<p class="note">Future specifications may add additional
+column box has no concept of padding, margin or borders. Future specifications may add additional
 functionality. For example, columns of different widths and different
 backgrounds may be supported.</p>
 
-<p class="note">Multicol elements with column heights larger than the viewpoer may pose accessibility issues. 
+<p class="note">Multicol elements with column heights larger than the viewport may pose accessibility issues. 
 
 
 <h3>Properties and values</h3>