Answer the stability pass: the strip that changed nothing, and the words the body earns

spec/flavour.md

@@ -22,8 +22,9 @@ normalizes to it through the round-trip.
   between a nested list and a CommonMark block above it — one wherever the nested list's own
   marker cannot interrupt a paragraph (an ordered list whose first number is not 1, or a list
   whose first item is empty), whatever block sits above it. Blank lines between items normalize
-  away, and so does the marker change CommonMark starts a second list on: ADF records no
-  tightness, and one `- ` spelling leaves two adjacent lists of a type no way back.
+  away, and no list opens beside one of its own kind — the marker change CommonMark starts a
+  second list on merges instead: ADF records no tightness, and one `- ` spelling leaves two
+  adjacent lists of a kind no way back.
 - Blockquotes prefix lines with `> `; a blank line inside a blockquote is a bare `>`.
 - ATX headings (`#` … `######`); setext input normalizes to ATX.
 - Code fences ``` with the node's language as info string, the fence lengthened past any backtick
@@ -192,7 +193,8 @@ form.
   the reserved `adf`, or holding a backtick, a backslash, a control character, edge whitespace or
   an entity reference — rides the `language` attribute instead and the fence carries no info
   string; writing it in the slot that rule leaves empty, or in both, is a named error. The body is
-  an ordinary fence, so its info string decodes escapes and entity references as any other does.
+  one ordinary code block, and a fence's info string decodes escapes and entity references as any
+  other does.
 - `heading` — container, inline body. Attributes: `level` (number), `localId` (string). `level` is
   the `#` count, so a heading carrying none, or one that is no whole number from 1 to 6, has no
   CommonMark spelling.