[css-transitions-2] Change reference format for referring to css-transitions-1.

Author: dbaron

css-transitions-2/Overview.bs

@@ -62,7 +62,7 @@ spec:web-animations-1; type:dfn;
 <h2 id="delta">Delta specification</h2>
 
   <p>This is a delta specification, meaning that it currently contains
-  only the differences from CSS Transitions Level 1 [[!CSS3-TRANSITIONS]].
+  only the differences from CSS Transitions Level 1 [[!CSS-TRANSITIONS-1]].
   Once the Level 1 specification is closer to complete, it will be merged
   with the additions here into a complete level 2 specification.</p>
 
@@ -390,7 +390,7 @@ are applied to the &lsquo;Animation declarations&rsquo; level of the cascade.
 ## Event dispatch ## {#event-dispatch}
 
 Note, this is a more general description of event dispatch than that of CSS
-Transitions Level 1 [[CSS3-TRANSITIONS]] since it must account for the
+Transitions Level 1 [[CSS-TRANSITIONS-1]] since it must account for the
 possibility of animations being seeked or reversed using the Web Animations API
 [[WEB-ANIMATIONS]]. Furthermore, it is possible using the Web Animations API
 to substitute the transition effect with an entirely different effect with