[css-font-loading] Specify font-weight/normal.

Author: tabatkins

css-font-loading/Overview.bs

@@ -655,7 +655,7 @@ Events</h3>
 			return a syntax error.
 
 			Absolutize all relative lengths against the initial values of the corresponding properties.
-			(For example, a relative font weight like ''bolder'' is evaluated against the initial value ''normal''.)
+			(For example, a relative font weight like ''bolder'' is evaluated against the initial value ''font-weight/normal''.)
 
 		<li>
 			If <var>text</var> was not explicitly provided,