[css-logical-1] Be consistent in which property we're referencing for syntax. Reported by bz in m.d.platform.

Author: fantasai

css-logical-1/Overview.bs

@@ -426,7 +426,7 @@ the 'margin-block-start', 'margin-block-end', 'margin-inline-start', 'margin-inl
 
   <pre class="propdef shorthand">
   Name: margin-block, margin-inline
-  Value: <<'margin-left'>>{1,2}
+  Value: <<'margin-top'>>{1,2}
   </pre>
 
   These two <a>shorthand properties</a> set the
@@ -506,7 +506,7 @@ the 'padding-block-start', 'padding-block-end', 'padding-inline-start', 'padding
 
   <pre class="propdef shorthand">
   Name: padding-block, padding-inline
-  Value: <<'padding-left'>>{1,2}
+  Value: <<'padding-top'>>{1,2}
   </pre>
 
   These two <a>shorthand properties</a> set the