[css-2015] Ugh, didn't save some of the changes meant to go in the previous commit.

Author: tabatkins

css-2015/Overview.bs

@@ -88,8 +88,8 @@ Introduction {#intro}
 
 		<dt><a href="http://www.w3.org/TR/css3-conditional/">CSS Conditional Rules Level 3</a>
 		<dd>
-			Replaces CSS2&sect;7.2, updating the definition of ''@media'' rules to allow nesting;
-		  and introduces ''@supports'' rules for feature-support queries.
+			Replaces CSS2&sect;7.2, updating the definition of ''@media'' rules to allow nesting,
+			and introduces ''@supports'' rules for feature-support queries.
 
 		<dt><a href="http://www.w3.org/TR/css3-namespace/">CSS Namespaces</a>
 		<dd>
@@ -135,7 +135,7 @@ Introduction {#intro}
 		<dd>
 			Provides a new foundation text for the sizing of replaced elements (such as images),
 			adds additional controls to their sizing and orientation,
-			and introduces syntax for gradients as images images in CSS.
+			and introduces syntax for gradients as images in CSS.
 
 		<dt><a href="http://www.w3.org/TR/css-fonts-3/">CSS Fonts Level 3</a>
 		<dd>
@@ -148,7 +148,7 @@ Introduction {#intro}
 
 		<dt><a href="http://www.w3.org/TR/css-flexbox-1/">CSS Flexible Box Module Level 1</a>
 		<dd>
-			Introduces a new layout model for CSS.
+			Introduces a flexible linear layout model for CSS.
 
 			ISSUE: This spec isn't very stable yet... (We all wish it was though.) Should it move to the note below?