Fix react warnings (#142712)

docs/developer/plugin-list.asciidoc

@@ -71,7 +71,7 @@ as uiSettings within the code.
 
 |{kib-repo}blob/{branch}/src/plugins/data_views/README.mdx[dataViews]
 |The data views API provides a consistent method of structuring and formatting documents
-and field lists across the various Kibana apps. Its typically used in conjunction with
+and field lists across the various Kibana apps. It's typically used in conjunction with
 <DocLink id="kibDevTutorialDataSearchAndSessions" section="high-level-search" text="SearchSource" /> for composing queries.
 
 

x-pack/plugins/lens/public/indexpattern_datasource/dimension_panel/dimension_editor.tsx

@@ -605,7 +605,15 @@ export function DimensionEditor(props: DimensionEditorProps) {
     ...services,
   };
 
-  const helpButton = <EuiButtonIcon onClick={onHelpClick} iconType="documentation" />;
+  const helpButton = (
+    <EuiButtonIcon
+      onClick={onHelpClick}
+      iconType="documentation"
+      aria-label={i18n.translate('xpack.lens.indexPattern.quickFunctions.tableTitle', {
+        defaultMessage: 'Description of functions',
+      })}
+    />
+  );
 
   const columnsSidebar = [
     {