diff --git a/README_pipy.md b/README_pipy.md
index 57eacbc1799d6b0faa5f8940d6d9376fcf9fec19..908a9e27e5cf7929902ed27213c3ce431b980b34 100644
--- a/README_pipy.md
+++ b/README_pipy.md
@@ -101,6 +101,7 @@ When configuring the SDK as a **Network App Invoker**, the following fields must
 For SDK configuration as a **Network App Provider**, the following fields are required:
 
 - `provider_folder`
+- `suported_features`
 - `cert_generation` (fields such as `csr_common_name`, `csr_country_name`, etc.)
 - `APFs`
 - `AEFs`
@@ -133,10 +134,9 @@ If the `publisher_aefs_ids` do not match the `aefProfiles` in the API descriptio
 
 ## Descriptions of `capif_sdk_config` Fields
 
-This file can also be populated using [environment variables](../samples/enviroment_variables_sample.txt).
-
 - `invoker_folder`: The path (relative or absolute) where invoker information (certificates, keys, etc.) is stored.
 - `provider_folder`: The path (relative or absolute) where provider information is stored.
+- `supported_features`: A string used to indicate the features supported by an API. The string shall contain a bitmask indicating supported features in hexadecimal representation Each character in the string shall take a value of "0" to "9", "a" to "f" or "A" to "F". [More information](https://github.com/jdegre/5GC_APIs/blob/Rel-18/TS29571_CommonData.yaml)
 - `capif_host`: The domain name of the CAPIF host.
 - `register_host`: The domain name of the register host.
 - `capif_https_port`: The CAPIF host port number.
@@ -148,8 +148,8 @@ This file can also be populated using [environment variables](../samples/envirom
 - `apfs`: The number of APFs to be onboarded as a provider (e.g., `5`).
 - `aefs`: The number of AEFs to be onboarded as a provider (e.g., `2`).
 - `debug_mode`: A boolean value to enable or disable SDK logs (e.g., `True` or `False`).
-- `discover_filter`: Fields for configuring invoker service discovery.
-- `publish_req`: Fields required for API publishing.
+- [`discover_filter`](#configuration-of-discover_filter): Fields for configuring invoker service discovery.
+- [`publish_req`](#configuration-of-publish_req): Fields required for API publishing.
 - `api_description_path`: The path to the [ServiceAPIDescription](https://github.com/jdegre/5GC_APIs/blob/Rel-18/TS29222_CAPIF_Publish_Service_API.yaml) JSON file.
 - `check_authentication_data`: The `ip` and `port` of the target Provider's AEF to get their supported features from.