Merge pull request #239 from w3c/image-intro

Added paragraph before image and fixed some typos

UX-Guide-Metadata/draft/principles/index.html

@@ -126,7 +126,7 @@
 			<p>This document proposes a shared framework for presenting publication accessibility metadata in a
 				user-friendly manner, so as to offer the information to end users in a way that is easy for them to
 				understand (even for the less technical) and consistent across different publications and different
-				digital catalogs. It it useful to point out that some of the metadata is useful for everybody. For example, many people want to make visual adjustments to make the reading experience more pleasurable.</p>
+				digital catalogs. It is useful to point out that some of the metadata is of high interest  to  everybody. For example, many people want to make visual adjustments to make the reading experience more pleasurable.</p>
 		</section>
 		<section id="sotd"></section>
 		<section id="general-overview">
@@ -162,6 +162,7 @@ <h2>General overview</h2>
 
             <section id="metadata-ecosystem">
                 <h2>Publisher Metadata Ecosystem</h2>
+<p>It is helpful to visualize the metadata workflow. The image below shows the path publisher's metadata takes to get to the end user through a distributor or library.  The two paths visualized for Schema.org and ONIX correspond to the techniques referenced in the linked techniques documents.</p>
                     <figure>
                         <figcaption>Flowchart: Metadata Ecosystem</figcaption>
                         <img class="responsive" src="media/MetadataEcosystem.jpg" aria-details="ecosystem" alt="Digital Publication Ecosystem flows into four areas: Metadata Delivery, Accessibility Metadata spec, Metadata Processing, and Resulting Statements" />
@@ -175,7 +176,7 @@ <h2>Publisher Metadata Ecosystem</h2>
                         <p>
                             From here both flow down into the "Metadata Processing" layer where the EPUB metadata gets processed through the "Display Techniques for EPUB Accessibility Metadata", and the "ONIX accessibility metadata" is processed through the "Display Techniques for ONIX Accessibility Metadata."</p>
                         <p>
-                            Finally from the "Metadata Processing" layer both the Display Techniques for EPUB and ONIX flow into the "Resulting Statments" layer "User Experience Guide for Displaying Accessibility Metadata"</p>
+                            Finally from the "Metadata Processing" layer both the Display Techniques for EPUB and ONIX flow into the "Resulting Statements" layer "User Experience Guide for Displaying Accessibility Metadata"</p>
                     </details>
 
             </section>