Docs update

Author: yevgen-nykytenko

Docs/content/comparison/java/_index.md

@@ -8,12 +8,13 @@ keywords:
 productName: GroupDocs.Comparison for Java
 hideChildren: True
 ---
-{{< alert style="info" >}}Welcome to the GroupDocs.Comparison for JavaIt is a Difference Checker and Documents Merging API. Supported are all industry standard document formats: PDF, OpenDocument, HTML, Microsoft Word, Excel, PowerPoint and Text files. It compares both Content and Styles of the documents. Supported with out-of-box ‘Track Changes’ functionality producing a summary file listing the source files with the changes made.{{< /alert >}}
+{{< alert style="info" >}}
+![](comparison/java/images/home.png) **Welcome to the GroupDocs.Comparison for Java**  
+It is a Difference Checker and Documents Merging API. Supported are all industry standard document formats: PDF, OpenDocument, HTML, Microsoft Word, Excel, PowerPoint and Text files. It compares both Content and Styles of the documents. Supported with out-of-box ‘Track Changes’ functionality producing a summary file listing the source files with the changes made. 
+{{< /alert >}}
 
 ## GroupDocs.Comparison for Java Resources
-
 Following are the links to some useful resources you may need to accomplish your tasks.
-
 *   [GroupDocs.Comparison for Java Online Documentation]({{< ref "comparison/java" >}})
 *   [GroupDocs.Comparison for Java Features]({{< ref "comparison/java/getting-started/features-overview.md" >}})
 *   [GroupDocs.Comparison for Java Limitations]({{< ref "comparison/java/getting-started/evaluation-limitations-and-licensing-of-groupdocs.comparison.md" >}})

Docs/content/comparison/java/developer-guide/_index.md

@@ -8,4 +8,6 @@ keywords:
 productName: GroupDocs.Comparison for Java
 hideChildren: False
 ---
-{{< alert style="info" >}}This section describes some basic and advanced use cases of GroupDocs.Comparison for Java. Please refer to GitHub repository for more examples and samples.{{< /alert >}}
+{{< alert style="info" >}}
+This section describes some basic and advanced use cases of **[GroupDocs.Comparison for Java](https://products.groupdocs.com/comparison/java)**. Please refer to [GitHub repository](https://github.com/groupdocs-comparison/GroupDocs.Comparison-for-Java) for more examples and samples.
+{{< /alert >}}

Docs/content/comparison/java/developer-guide/advanced-usage/generate-document-pages-preview.md

@@ -23,7 +23,9 @@ The following are the steps to generate document preview with GroupDocs.Compari
     *   page numbers to process;
     *   custom size of preview images (if needed).          
 
-{{< alert style="info" >}}Stream that were created by CreatePageStream callback will be disposed automatically once after generation of preview image. If you need to implement custom image preview stream disposing you have to pass additional argument ReleasePageStream to clean up resources.{{< /alert >}}
+{{< alert style="info" >}}
+Stream that were created by [CreatePageStream](https://apireference.groupdocs.com/comparison/java/com.groupdocs.comparison.common.delegates/Delegates_CreatePageStream) callback will be disposed automatically once after generation of preview image. If you need to implement custom image preview stream disposing you have to pass additional argument [ReleasePageStream](https://apireference.groupdocs.com/comparison/java/com.groupdocs.comparison.common.delegates/Delegates_ReleasePageStream) to clean up resources.
+{{< /alert >}}
 
 *   Call [generatePreview](https://apireference.groupdocs.com/comparison/java/com.groupdocs.comparison/Document#generatePreview(com.groupdocs.comparison.options.PreviewOptions)) method of [Source](https://apireference.groupdocs.com/comparison/java/com.groupdocs.comparison/Comparer#getSource()) and [Targets](https://apireference.groupdocs.com/comparison/java/com.groupdocs.comparison/Comparer#getTargets()) document and pass [PreviewOptions](https://apireference.groupdocs.com/comparison/java/com.groupdocs.comparison.options/PreviewOptions) to it.