[css-multicol] column balancing only happens on the column row immediately preceding the spanner w3c#1075

Author: rachelandrew

css-multicol-1/Overview.bs

@@ -189,12 +189,12 @@ The multi-column model</h2>
 		implementations these areas will be determined by the background, the second image shows a rendering of a multi-column container with column-rules.
 
 		<figure>
-			<img alt="a diagram showing the various parts of multi-colun layout" src="images/initial-example.svg">
+			<img alt="a diagram showing the various parts of multi-column layout" src="images/initial-example.svg">
 			<figcaption>A multi-column layout with the non-visible column-span and padding inside the multicol container highlighted.</figcaption>
 		</figure>
 
 		<figure>
-			<img alt="a diagram showing the various parts of multi-colun layout" src="images/initial-example-b.svg">
+			<img alt="a diagram showing the various parts of multi-column layout" src="images/initial-example-b.svg">
 			<figcaption>The same layout as in the first image, as it would be displayed by an implementation.</figcaption>
 		</figure>	
 	</div>
@@ -777,8 +777,8 @@ Spanning columns</h2>
 			The element spans across all columns of the nearest multicol
 			ancestor in the same block formatting context.
 			Content in the normal flow that appears before the
-			element is automatically balanced across all columns before the
-			element appears.
+			element is automatically balanced across all columns in the immediately preceding column row before the
+			element appears. 
 			The element establishes a new <a>formatting context</a>.
 
 			Note: Whether the element establishes a new <a>formatting context</a>