Update pdfHTML nuspec description

DEVSIX-3615

Author: ar3em

pdfHTML.nuspec

@@ -7,15 +7,15 @@
     <authors>iText Software</authors>
     <owners>iText Software</owners>
     <licenseUrl>https://www.gnu.org/licenses/agpl.html</licenseUrl>
-    <projectUrl>https://itextpdf.com/</projectUrl>
+    <projectUrl>https://itextpdf.com/en/products/itext-7/pdfhtml</projectUrl>
     <iconUrl>https://itextpdf.com/sites/default/files/ITSC-avatar.png</iconUrl>
     <requireLicenseAcceptance>true</requireLicenseAcceptance>
-    <description>pdfHTML is an iText 7 add-on that lets you to parse (X)HTML snippets and the associated CSS and converts them to PDF.</description>
-    <summary></summary>
+    <description>pdfHTML is an iText 7 add-on for C# (.NET) that allows you to easily convert HTML and CSS into standards compliant PDFs that are accessible, searchable and usable for indexing.</description>
+    <summary>pdfHTML is an iText 7 add-on that lets you to parse (X)HTML snippets and the associated CSS and converts them to PDF.</summary>
     <releaseNotes>https://itextpdf.com/itext7release</releaseNotes>
     <copyright>Copyright (c) 1998-2020 iText Group NV</copyright>
     <language>en-US</language>
-    <tags>itext itext7 itextsharp c# .net csharp pdf html pdfhtml</tags>
+    <tags>itext itext7 itextsharp c# .net csharp pdf html pdfhtml htmltopdf html2pdf html-to-pdf html-to-pdf-converter svg acroform pdf-generation generation converter accessbility opensource open source</tags>
     <dependencies>
       <group targetFramework="net40">
         <dependency id="itext7" version="7.1.10-SNAPSHOT" />