docs update

Signed-off-by: Attila Mészáros <[email protected]>

Author: csviri

docs/content/en/docs/documentation/dependent-resource-and-workflows/dependent-resources.md

@@ -369,8 +369,12 @@ or we can use a matcher based SSA in most of the cases if the resource is manage
 ### Selecting the target resource
 
 Unfortunately this is not true for external resources. So to make sure we are selecting
-the target resources from an event source, we provide a [mechanism](https://github.com/operator-framework/java-operator-sdk/blob/main/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractExternalDependentResource.java#L114-L138) that helps with that logic.
-Your POJO representing an external resource can implement [`ResourceIDProvider`](https://github.com/operator-framework/java-operator-sdk/blob/main/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/ResourceIDProvider.java) : 
+the target resources from an event source, we provide a [mechanism](https://github.com/operator-framework/java-operator-sdk/blob/main/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractExternalDependentResource.java#L133-L147) that helps with that logic.
+[`ResourceIDMapper`](https://github.com/operator-framework/java-operator-sdk/blob/main/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/ResourceIDMapper.java)
+maps the resource to and ID and the ID of desired and actual resource is checked for equality.
+
+Your POJO representing an external resource can implement [`ResourceIDProvider`](https://github.com/operator-framework/java-operator-sdk/blob/main/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/ResourceIDProvider.java). 
+The default `ResourceIDMapper` implementation works on top of resource which implement `ResourceIDProvider`:
 
 ```java
 
@@ -380,8 +384,7 @@ public interface ResourceIDProvider<T> {
 }
 ```
 
-That will provide an ID, what is used to check for equality for desired state and resources from event source caches.
-Not that if some reason this mechanism does not suit for you, you can simply 
+Note that if those approaches does not work for your use case, you can simply 
 override [`selectTargetSecondaryResource`](https://github.com/operator-framework/java-operator-sdk/blob/main/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/AbstractExternalDependentResource.java)
 method.