docs: improve details (#2925)

Author: csviri

docs/content/en/docs/contributing/_index.md

@@ -1,5 +1,5 @@
 ---
-title: Contributing To Java Operator SDK
+title: Contributing
 weight: 110
 ---
 

docs/content/en/docs/documentation/error-handling-retries.md

@@ -43,7 +43,8 @@ public class MyReconciler implements Reconciler<MyResource> {
 
 Your custom retry class must:
 - Provide a no-argument constructor for automatic instantiation
-- Optionally implement `AnnotationConfigurable` for configuration from annotations
+- Optionally implement `AnnotationConfigurable` for configuration from annotations. See [`GenericRetry`](https://github.com/operator-framework/java-operator-sdk/blob/main/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/retry/GenericRetry.java#) 
+  implementation for more details.
 
 ### Accessing Retry Information
 

docs/content/en/docs/faq/_index.md

@@ -1,5 +1,5 @@
 ---
-title: Frequently Asked Questions
+title: FAQ
 weight: 90
 ---