[css-writing-modes] Wording tweaks/linking.

Author: fantasai

css-writing-modes/Overview.bs

@@ -2023,9 +2023,9 @@ Available Space in Orthogonal Flows</h4>
     which would otherwise be the <i>block size</i> of the containing block,
     is infinite.
 
-  <p>Putting a box in an <i>orthogonal flow</i> allows the opposite to happen:
-    for the <i>available block space</i> to be definite,
-    but the <i>available inline space</i> to be indefinite.
+  <p>Putting a box in an <i>orthogonal flow</i> can result in the opposite:
+    for the box’s <i>available block space</i> to be definite,
+    but its <i>available inline space</i> to be indefinite.
     In such cases a percentage of the containing block’s <i>inline size</i> cannot be defined,
     and <i>inline axis</i> computations cannot be resolved.
     In these cases, the initial containing block's size is used
@@ -2060,7 +2060,8 @@ Auto-sizing Block Containers in Orthogonal Flows</h4>
 
         <dt><var>constraint</var>
         <dd>the <i>inline-axis</i> size
-        that would match the box's <i>inline-axis</i> outer edges to the smaller of
+        that would match the box's <i>inline-axis</i> <a
+ href="https://www.w3.org/TR/CSS22/box.html#outer-edge">outer edges</a> to the smaller of
         <ul>
           <li>the <i>available space</i>
           <li>the initial containing block’s <i>size</i>