[css-align] Tweak section title.

Author: fantasai

css-align/Overview.bs

@@ -577,7 +577,7 @@ Baseline Content-Alignment</h3>
 	This increases the intrinsic size of the box.
 
 <h3 id="overflow-scroll-position">
-Overflow and Alignment: scroll positions</h3>
+Overflow and Scroll Positions</h3>
 
 	The <a>content distribution properties</a> also affect the initial scroll position,
 	setting it to display the appropriate portion of the scrollable area.
@@ -587,8 +587,8 @@ Overflow and Alignment: scroll positions</h3>
 
 	<div class='example'>
 		For example,
-		if a scrollable flex container is set to ''justify-content: flex-end;''
-		or ''justify-content: flex-start;'' with a 'flex-direction' of ''row-reverse'',
+		if a scrollable flex container is set to ''justify-content: flex-end''
+		(or ''justify-content: flex-start'' with ''flex-flow: row-reverse''),
 		it will be initially displayed scrolled all the way to the main-end edge of the scrollable area,
 		and its content will overflow its main-start edge.
 	</div>

css-align/Overview.html

@@ -142,7 +142,7 @@ <h2 class="no-num no-toc no-ref heading settled" id=contents><span class=content
 	<li><a href=#content-distribution><span class=secno>4</span>  Content Distribution: the <span class=property data-link-type=propdesc title=justify-content>justify-content</span> and <span class=property data-link-type=propdesc title=align-content>align-content</span> properties</a>
 		<ul class=toc>
 		<li><a href=#baseline-align-content><span class=secno>4.1</span>  Baseline Content-Alignment</a>
-		<li><a href=#overflow-scroll-position><span class=secno>4.2</span>  Overflow and Alignment: scroll positions</a></ul>
+		<li><a href=#overflow-scroll-position><span class=secno>4.2</span>  Overflow and Scroll Positions</a></ul>
 	<li><a href=#self-alignment><span class=secno>5</span>  Self-Alignment: Aligning the Box within its Parent</a>
 		<ul class=toc>
 		<li><a href=#justify-self-property><span class=secno>5.1</span>  Inline/Main-Axis Alignment: the <span class=property data-link-type=propdesc title=justify-self>justify-self</span> property</a>
@@ -708,7 +708,7 @@ <h3 class="heading settled" data-level=4.1 id=baseline-align-content><span class
 	This increases the intrinsic size of the box.</p>
 
 <h3 class="heading settled" data-level=4.2 id=overflow-scroll-position><span class=secno>4.2 </span><span class=content>
-Overflow and Alignment: scroll positions</span><a class=self-link href=#overflow-scroll-position></a></h3>
+Overflow and Scroll Positions</span><a class=self-link href=#overflow-scroll-position></a></h3>
 
 <p>The <a data-link-type=dfn href=#content-distribution-properties title="content distribution properties">content distribution properties</a> also affect the initial scroll position,
 	setting it to display the appropriate portion of the scrollable area.
@@ -718,8 +718,8 @@ <h3 class="heading settled" data-level=4.2 id=overflow-scroll-position><span cla
 
 	<div class=example>
 		For example,
-		if a scrollable flex container is set to <a class=css data-link-type=propdesc href=#propdef-justify-content title=justify-content>justify-content: flex-end;</a>
-		or <a class=css data-link-type=propdesc href=#propdef-justify-content title=justify-content>justify-content: flex-start;</a> with a <a class=property data-link-type=propdesc href=http://dev.w3.org/csswg/css-flexbox-1/#propdef-flex-direction title=flex-direction>flex-direction</a> of <span class=css>row-reverse</span>,
+		if a scrollable flex container is set to <a class=css data-link-type=propdesc href=#propdef-justify-content title=justify-content>justify-content: flex-end</a>
+		(or <a class=css data-link-type=propdesc href=#propdef-justify-content title=justify-content>justify-content: flex-start</a> with <a class=css data-link-type=propdesc href=http://dev.w3.org/csswg/css-flexbox-1/#propdef-flex-flow title=flex-flow>flex-flow: row-reverse</a>),
 		it will be initially displayed scrolled all the way to the main-end edge of the scrollable area,
 		and its content will overflow its main-start edge.
 	</div>
@@ -810,7 +810,7 @@ <h3 class="heading settled" data-level=5.1 id=justify-self-property><span class=
 		<dd>
 			This property does not apply to <a data-link-type=dfn href=http://dev.w3.org/csswg/css-flexbox-1/#flex-item title="flex items">flex items</a>,
 			because there is more than one item in the <a data-link-type=dfn href=http://dev.w3.org/csswg/css-flexbox-1/#main-axis title="main axis">main axis</a>.
-			See <a class=property data-link-type=propdesc href=http://dev.w3.org/csswg/css-flexbox-1/#propdef-flex title=flex>flex</a> for stretching and <a class=property data-link-type=propdesc href=#propdef-justify-content title=justify-content>justify-content</a> for <a data-link-type=dfn href=http://dev.w3.org/csswg/css-flexbox-1/#main-axis title=main-axis>main-axis</a> alignment. <a data-biblio-type=normative data-link-type=biblio href=#biblio-css3-flexbox title=biblio-CSS3-FLEXBOX>[CSS3-FLEXBOX]</a>
+			See <a class=property data-link-type=propdesc href=http://dev.w3.org/csswg/css-flexbox-1/#propdef-flex title=flex>flex</a> for stretching and <a class=property data-link-type=propdesc href=#propdef-justify-content title=justify-content>justify-content</a> for <a data-link-type=dfn title=main-axis>main-axis</a> alignment. <a data-biblio-type=normative data-link-type=biblio href=#biblio-css3-flexbox title=biblio-CSS3-FLEXBOX>[CSS3-FLEXBOX]</a>
 
 		<dt>Grid Items:
 		<dd>