replaced 2015 with 2017

Author: SelenIT

css-2017/Overview.bs

@@ -44,7 +44,7 @@ Introduction {#intro}
 
 	Since different CSS modules are at different levels of stability,
 	the CSS Working Group has chosen to publish this profile
-	to define the current scope and state of Cascading Style Sheets as of late 2015.
+	to define the current scope and state of Cascading Style Sheets as of mid 2017.
 	This profile includes only specifications that we consider stable
 	<em>and</em> for which we have enough implementation experience that we are sure of that stability.
 
@@ -125,7 +125,7 @@ Background: The W3C Process and CSS</h3>
 
 <h2 id="css">Cascading Style Sheets (CSS) &mdash; The Official Definition</h2>
 
-	As of 2015,
+	As of 2017,
 	<dfn>Cascading Style Sheets (CSS)</dfn> is defined by the following
 	specifications.