Incorporated the feedback.

Signed-off-by: bnechyporenko <bnechyporenko@bol.com>

.changeset/famous-bikes-brush.md

@@ -2,7 +2,7 @@
 '@backstage/core-plugin-api': patch
 ---
 
-Introduced plugin options for the components, to be able to customise existing components.
-Those customizations are stored in React context of the plugin.
-The configurable options could be defined during the creation of the plugin via `__experimentalConfigure` method.
-And the user of the plugin can redefine it with.
+Introduced a new experimental feature that allows you to declare plugin-wide options for your plugin by defining
+`__experimentalConfigure` in your `createPlugin` options. See https://backstage.io/docs/plugins/customization.md for more information.
+
+This is an experimental feature and it will have breaking changes in the future.

.changeset/few-berries-deny.md

@@ -4,7 +4,7 @@
 
 Plugin catalog has been modified to use an experimental feature where you can customize the title of the create button.
 
-You can modify it by doing next:
+You can modify it by doing:
 
 ```typescript jsx
 import { catalogPlugin } from '@backstage/plugin-catalog';

.changeset/gentle-games-count.md

@@ -2,8 +2,7 @@
 '@backstage/app-defaults': patch
 ---
 
-Introduced an extra parameter in BackstagePlugin.
-This optional parameter is responsible for providing a type for input options for the plugin.
+Updated usage of the `BackstagePlugin` type.
 
 ```
 myPlugin.__experimentalReconfigure({