[css-nesting] clarifications

Author: Adam Argyle

css-nesting-1/Overview.bs

@@ -240,6 +240,11 @@ Direct Nesting {#direct}
 			& { padding: 2ch; }
 		}
 		/* equivalent to
+			 .foo { color: blue; }
+			 .foo { padding: 2ch; }
+
+			 // and
+
 		   .foo { 
 		   	 color: blue; 
 		   	 padding: 2ch;
@@ -313,7 +318,7 @@ Direct Nesting {#direct}
 			&&.bar { color: blue; }
 		}
 		/* Invalid because the 1st & is no longer 
-		   at the start of a nesting selector */
+		   at the start of a compound selector */
 
 		.foo {
 			color: red;