[css-tables-3] Editorial fixes

Author: xfq

css-tables-3/Overview.bs

@@ -754,7 +754,7 @@ spec:css-sizing-3; type:property; text:box-sizing
 				Name: table-layout
 				Value: auto | fixed
 				Initial: auto
-				Applies To: table-root boxes.
+				Applies To: <a>table-root</a> boxes
 				Inherited: yes
 			</pre>
 
@@ -783,7 +783,7 @@ spec:css-sizing-3; type:property; text:box-sizing
 				Name: border-collapse
 				Value: separate | collapse
 				Initial: separate
-				Applies To: table-root boxes.
+				Applies To: <a>table-root</a> boxes
 				Inherited: yes
 			</pre>
 
@@ -802,7 +802,7 @@ spec:css-sizing-3; type:property; text:box-sizing
 				Name: border-spacing
 				Value: <​length​>{1,2}
 				Initial: 0px 0px
-				Applies To: table-root boxes when 'border-collapse' is <code>separate</code>.
+				Applies To: <a>table-root</a> boxes when 'border-collapse' is <code>separate</code>
 				Inherited: yes
 				Computed Value: two absolute lengths
 				Media: visual
@@ -825,7 +825,7 @@ spec:css-sizing-3; type:property; text:box-sizing
 				Name: caption-side
 				Value: top | bottom
 				Initial: top
-				Applies to: <code>table-caption</code> boxes
+				Applies to: <a>table-caption</a> boxes
 				Inherited: yes
 				Media: visual
 			</pre>
@@ -2508,7 +2508,7 @@ With a table-internal box as non-containing block parent</h3>
 			Name: empty-cells
 			Value: show | hide
 			Initial: show
-			Applies to: <code>table-cell</code> boxes
+			Applies to: <a>table-cell</a> boxes
 			Inherited: yes
 			Media: visual
 		</pre>