Solve vale errors

Author: HerbertsVaadin

articles/components/charts/exporting/offline.adoc

@@ -1,20 +1,20 @@
 ---
-title: Offline module (unsupported)
+title: Offline Module (Unsupported)
 page-title: Exporting Charts using offline exporting module
 description: How to export charts to different format supported by using Highcharts offline exporting module.
 meta-description: Provide configuration to export Vaadin Charts in various formats using only client-side implementation.
 order: 15
 ---
 
 [[charts.offlinemodule]]
-= Exporting Charts using the Offline module
+= Exporting Charts Using the Offline Module
 
 Highcharts (the charting library used by Vaadin Charts) supports
 https://www.highcharts.com/docs/export-module/client-side-export[client-side export]
 through its offline-exporting module. This allows exporting chart images without sending any data to an external server.
 
 Vaadin Charts does not officially support the offline-exporting module yet. Support for this feature is being tracked in an
-https://github.com/vaadin/web-components/issues/441[existing GitHub issue]. You can add a 👍 reaction on the issue to upvote it and help raise its priority.
+https://github.com/vaadin/web-components/issues/441[existing GitHub issue]. You can add a 👍 [reaction](https://blog.github.com/2016-03-10-add-reactions-to-pull-requests-issues-and-comments/) to the issue to help the community and maintainers prioritize this issue.
 
 Until official support is available, you can follow the workaround described in
 https://github.com/vaadin/web-components/issues/441#issuecomment-3527965104[this GitHub comment]

articles/components/charts/exporting/remote-server.adoc

@@ -43,7 +43,7 @@ image::../img/charts-export-server-menu.png[]
 
 == Using Custom Export Service
 
-The exporting feature uses a https://export.highcharts.com[HighCharts export service] by default. To use your own, you need to https://www.highcharts.com/docs/export-module/setting-up-the-server[set up an export server] and then configure it in the `Exporting` configuration as follows:
+The exporting feature uses a https://export.highcharts.com[Highcharts export service] by default. To use your own, you need to https://www.highcharts.com/docs/export-module/setting-up-the-server[set up an export server] and then configure it in the `Exporting` configuration as follows:
 
 [source,java]
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