[css-2015] Swap order of notes

Author: fantasai

css-2015/Overview.bs

@@ -475,22 +475,22 @@ Market Pressure and De Facto Standards</h4>
 	the implementations are sufficiently similar
 	to be used in production websites for a substantial number of use cases.
 
+	<p class="note">Note that the CSSWG must still be consulted to ensure coordination across vendors
+		and to ensure sanity review by the CSS experts from each vendor.
+		Note also that <a>rough interoperability</a> still usually means
+		painful lack of interop in edge (or not-so-edge) cases,
+		particularly because details have not been ironed out through the standards review process.
+
 	<details class=why>
 		<summary>Why?</summary>
 		If a feature is sufficiently popular that three or more browsers have implemented it before it's finished standardization,
 		this clause allows releasing the pressure to ship.
 		Also, if a feature has already escaped into the wild and sites have started depending on it,
-		pretending it's still "experimental" doesn't help anyone.
+		pretending it's still “experimental” doesn't help anyone.
 		Allowing others to ship unprefixed recognizes that the feature is now de facto standardized
 		and encourages authors to write cross-platform code.
 	</details>
 
-	<p class="note">Note that the CSSWG must still be consulted to ensure coordination across vendors
-		and to ensure sanity review by the CSS experts from each vendor.
-		Note also that <a>rough interoperability</a> still usually means
-		painful lack of interop in edge (or not-so-edge) cases,
-		particularly because details have not been ironed out through the standards review process.
-
 <h5 id="unstable-syntax" class="no-toc">
 Vendor-prefixing Unstable Features</h5>