[css-grid] Clarify that max-content contribution is also recalc'd. Fix linking errors.

Author: tabatkins

css-grid/Overview.bs

@@ -3435,7 +3435,8 @@ Grid Sizing Algorithm</h3>
 		<li>
 			Then, if the <a>min-content contribution</a> of any grid items have changed
 			based on the row sizes calculated in step 2,
-			steps 1 and 2 are repeated with the new <a>min-content contribution</a> (once only).
+			steps 1 and 2 are repeated with the new <a>min-content contribution</a>
+			and <a>max-content contribution</a> (once only).
 
 			<div class="note">
 				This cycle is necessary for cases where the <a>inline size</a> of a <a>grid item</a>
@@ -4071,13 +4072,13 @@ Changes</h2>
 			Added back error handling for when the start and end lines are identical.
 		<li>
 			Corrected errors in finding the size of the implicit grid
-			in the <a>placement algorithm</a>.
+			in the <a>auto-placement algorithm</a>.
 		<li>
 			Auto-place into the <a>implicit grid</a> rather than the <a>explicit grid</a>.
 		<li>
-			Don't follow ''auto'' values of 'align-self' or 'justify-self'
+			Don't follow ''align-self/auto'' values of 'align-self' or 'justify-self'
 			on absolutely-positioned children;
-			just default to ''start'' alignment.
+			just default to ''align-self/start'' alignment.
 			(Properties set on the grid container
 			usually aren't meant to affect absolutely-positioned children.)
 		<li>