diff --git a/packages/auth/README.md b/packages/auth/README.md
index 238f9e16048fca1b3f818ab55f7faeb2c131166c..c017ac9ec0731619b80aed7216096f76fc0f0ecc 100644
--- a/packages/auth/README.md
+++ b/packages/auth/README.md
@@ -60,6 +60,14 @@ The component emits a `dbp-set-property` event for the attribute `auth`:
 <script type="module" src="node_modules/@dbp-toolkit/auth/dist/dbp-auth.js"></script>
 ```
 
+### Attributes
+
+- `lang` (optional, default: `de`): set to `de` or `en` for German or English
+  - example `<dbp-auth-keycloak lang="de" </dbp-auth-keycloak>`
+- `auth` object: you need to set that object property for the auth token
+  - example auth property: `{token: "THE_BEARER_TOKEN"}`
+  - note: most often this should be an attribute that is not set directly, but subscribed at a provider
+
 ## Local development
 
 ```bash
diff --git a/packages/check-in-place-select/README.md b/packages/check-in-place-select/README.md
index 65a933009e8ed49e7121176889163fe76fe57e3e..a7290e9423681bb72b51bb99564e25a5a49b2771 100644
--- a/packages/check-in-place-select/README.md
+++ b/packages/check-in-place-select/README.md
@@ -34,6 +34,7 @@ npm i @dbp-toolkit/check-in-place-select
     - example `<dbp-check-in-place-select show-reload-button reload-button-text="Reload result list"></dbp-check-in-place-select>`
 - `auth` object: you need to set that object property for the auth token
     - example auth property: `{token: "THE_BEARER_TOKEN"}`
+    - note: most often this should be an attribute that is not set directly, but subscribed at a provider
 
 ## Local development
 
diff --git a/packages/common/src/eventbus.js b/packages/common/src/eventbus.js
index f9cc4b1217355d2993b91f1c7a0930bddd23b468..d77662e9c523b7d68fe3f6e2b6a104c886611393 100644
--- a/packages/common/src/eventbus.js
+++ b/packages/common/src/eventbus.js
@@ -1,3 +1,8 @@
+/**
+ * EventBus system
+ *
+ * DEPRECATED: Migrated to provider
+ */
 
 const OPERATION_FETCH_RETAINED = 'fetch-retained';
 
diff --git a/packages/knowledge-base-web-page-element-view/README.md b/packages/knowledge-base-web-page-element-view/README.md
index 82a96017d95f50635d4e0afdd2edc721cce6a0d6..99ad0fd59a1dea6ed72bdee74d95aed964ec8f7f 100644
--- a/packages/knowledge-base-web-page-element-view/README.md
+++ b/packages/knowledge-base-web-page-element-view/README.md
@@ -24,7 +24,8 @@ npm i @dbp-toolkit/knowledge-base-web-page-element-view
 - `text` (optional): text to click to show the information loaded from the webpage
     - example `<dbp-knowledge-base-web-page-element-view text="Click me to show more information"></dbp-knowledge-base-web-page-element-view>`
 - `auth` object: you need to set that object property for the auth token
-  - example auth property: `{token: "THE_BEARER_TOKEN"}`
+    - example auth property: `{token: "THE_BEARER_TOKEN"}`
+    - note: most often this should be an attribute that is not set directly, but subscribed at a provider
 
 ## Local development
 
diff --git a/packages/person-profile/README.md b/packages/person-profile/README.md
index 6918a0237014b9e9ec5e34f9eb1fc3bd555e66ad..44880913d9eacd1509ce7dec01ab478c8c366ea5 100644
--- a/packages/person-profile/README.md
+++ b/packages/person-profile/README.md
@@ -22,7 +22,8 @@ npm i @dbp-toolkit/person-profile
 - `value` (optional): api path of person to preload the selector with
     - example `<dbp-person-profile value="/people/testuser"></dbp-person-profile>`
 - `auth` object: you need to set that object property for the auth token
-  - example auth property: `{token: "THE_BEARER_TOKEN"}`
+    - example auth property: `{token: "THE_BEARER_TOKEN"}`
+    - note: most often this should be an attribute that is not set directly, but subscribed at a provider
 
 ## Local development
 
diff --git a/packages/person-select/README.md b/packages/person-select/README.md
index 64590b3630e4a3116045b0bf58e8b1cae23b1ec6..c9f31fe233482a7dac923ba240f1371cd2a3ee7b 100644
--- a/packages/person-select/README.md
+++ b/packages/person-select/README.md
@@ -34,7 +34,8 @@ npm i @dbp-toolkit/person-select
 - `reload-button-title` (optional): sets a title text on the reload button
     - example `<dbp-person-select show-reload-button reload-button-text="Reload result list"></dbp-person-select>`
 - `auth` object: you need to set that object property for the auth token
-  - example auth property: `{token: "THE_BEARER_TOKEN"}`
+    - example auth property: `{token: "THE_BEARER_TOKEN"}`
+    - note: most often this should be an attribute that is not set directly, but subscribed at a provider
 
 ## Local development