Docs: Dekaf clarifications - remove deprecated info, update wording

site/docs/guides/dekaf_reading_collections_from_kafka.md

@@ -26,9 +26,9 @@ To connect to Estuary Flow via Dekaf, use the following connection details in co
 - **Schema Registry Address**: `https://dekaf.estuary-data.com`
 - **Security Protocol**: `SASL_SSL`
 - **SASL Mechanism**: `PLAIN`
-- **SASL Username**: The task name of your Dekaf materialization
+- **SASL Username**: The full name of your Dekaf materialization, such as `YOUR-ORG/YOUR-PREFIX/YOUR-MATERIALIZATION`
 - **SASL Password**: The auth token from your Dekaf materialization
-- **Schema Registry Username**: The task name of your Dekaf materialization
+- **Schema Registry Username**: The full name of your Dekaf materialization
 - **Schema Registry Password**: The auth token from your Dekaf materialization
 
 ## How to Connect to Dekaf
@@ -44,7 +44,7 @@ To connect to Estuary Flow via Dekaf, use the following connection details in co
 
 3. Provide a **name** and **auth token** to your materialization.
 
-   - The full task name, which includes your materialization name, will be used as the **username** when consumers connect to Dekaf.
+   - The full materialization name, which also includes your organization/prefix, will be used as the **username** when consumers connect to Dekaf.
 
    - The auth token that you provide will be used as the **password** when consumers connect to Dekaf. Make sure to use a secure token.
 

site/docs/reference/Connectors/dekaf/README.md

@@ -36,3 +36,5 @@ Dekaf is compatible with many Kafka consumers. For instructions on integrating w
 - [SingleStore](../materialization-connectors/Dekaf/singlestore.md)
 - [Startree](../materialization-connectors/Dekaf/startree.md)
 - [Tinybird](../materialization-connectors/Dekaf/tinybird.md)
+
+You may use the [generic Dekaf materialization connector](../materialization-connectors/Dekaf/dekaf.md) for other use cases.

site/docs/reference/Connectors/dekaf/_category_.json

@@ -1,4 +1,4 @@
 {
     "label": "Dekaf integrations",
-    "position": 1
+    "position": 2
 }