Merge pull request #253 from dynamsoft-docs/preview

update to internal commit 0051f969

Author: Ellie-dynamsoft

introduction/index.md

@@ -3,10 +3,10 @@ layout: default-layout
 needAutoGenerateSidebar: true
 needGenerateH3Content: true
 noTitleIndex: true
-title: Dynamsoft Document Viewer - Introduction
+title: JavaScript PDF Viewer SDK | Dynamsoft Document Viewer
 keywords: Documentation, Dynamsoft Document Viewer, Introduction
 breadcrumbText: Introduction
-description: Dynamsoft Document Viewer Documentation Introduction
+description: Powerful JavaScript PDF viewer & document viewer SDK. Integrate seamless document viewing into your web apps with Dynamsoft Document Viewer.
 permalink: /introduction/index.html
 ---