diff --git a/samples/oci-objectstorage-custom-cert-put-object-go/README.md b/samples/oci-objectstorage-custom-cert-put-object-go/README.md
index b8e7247..b909894 100644
--- a/samples/oci-objectstorage-custom-cert-put-object-go/README.md
+++ b/samples/oci-objectstorage-custom-cert-put-object-go/README.md
@@ -4,6 +4,10 @@ This function uses Resource Principals to securely authorize a function to make
 API calls to OCI services using the [OCI Go SDK](hhttps://docs.oracle.com/en-us/iaas/tools/go/46.1.0/).
 It creates an object in a bucket in Object Storage and returns a message with a status.
 
+Some OCI realms uses self signed certificates. Certificate being used can be specified in client we create
+in function to connect to OCI services. In this function, certificate to be trusted is specified in the 
+client we are creating to interact with Object Storage. 
+
 The function calls the following OCI Go SDK classes:
 * [ResourcePrincipalConfigurationProvider](https://docs.oracle.com/en-us/iaas/tools/go/47.1.0/common/auth/index.html#ResourcePrincipalConfigurationProvider) to authenticate
 * [NewObjectStorageClientWithConfigurationProvider](https://docs.oracle.com/en-us/iaas/tools/go/47.1.0/objectstorage/index.html#NewObjectStorageClientWithConfigurationProvider) to interact with Object Storage
diff --git a/samples/oci-objectstorage-custom-cert-put-object-java/README.md b/samples/oci-objectstorage-custom-cert-put-object-java/README.md
index 25b59d8..9eef090 100644
--- a/samples/oci-objectstorage-custom-cert-put-object-java/README.md
+++ b/samples/oci-objectstorage-custom-cert-put-object-java/README.md
@@ -4,6 +4,10 @@ This function uses Resource Principals to securely authorize a function to make
 API calls to OCI services using the [OCI Java SDK](https://docs.cloud.oracle.com/iaas/tools/java/latest/).
 It creates an object in a bucket in Object Storage and returns a message with a status.
 
+Some OCI realms uses self signed certificates. Certificate being used can be specified in client we create
+in function to connect to OCI services. In this function, certificate to be trusted is specified in the 
+client we are creating to interact with Object Storage.
+
 The function calls the following OCI Java SDK classes:
 * [ResourcePrincipalAuthenticationDetailsProvider](https://docs.cloud.oracle.com/en-us/iaas/tools/java/latest/com/oracle/bmc/auth/ResourcePrincipalAuthenticationDetailsProvider.html) to authenticate
 * [ObjectStorageClient](https://docs.cloud.oracle.com/iaas/tools/java/latest/com/oracle/bmc/objectstorage/ObjectStorageClient.html) to interact with Object Storage
diff --git a/samples/oci-objectstorage-custom-cert-put-object-python/README.md b/samples/oci-objectstorage-custom-cert-put-object-python/README.md
index 98188dd..1da70ae 100644
--- a/samples/oci-objectstorage-custom-cert-put-object-python/README.md
+++ b/samples/oci-objectstorage-custom-cert-put-object-python/README.md
@@ -4,6 +4,10 @@ This function uses Resource Principals to securely authorize a function to make
 API calls to OCI services using the [OCI Python SDK](https://oracle-cloud-infrastructure-python-sdk.readthedocs.io/en/latest/index.html).
 It creates an object in a bucket in Object Storage and returns a message with a status.
 
+Some OCI realms uses self signed certificates. Certificate being used can be specified in client we create
+in function to connect to OCI services. In this function, certificate to be trusted is specified in the
+client we are creating to interact with Object Storage.
+
 The function calls the following OCI Python SDK classes:
 * [Resource Principals Signer](https://oracle-cloud-infrastructure-python-sdk.readthedocs.io/en/latest/api/signing.html#resource-principals-signer) to authenticate
 * [Object Storage Client](https://oracle-cloud-infrastructure-python-sdk.readthedocs.io/en/latest/api/object_storage/client/oci.object_storage.ObjectStorageClient.html) to interact with Object Storage
diff --git a/samples/oci-objectstorage-custom-cert-put-object-ruby/README.md b/samples/oci-objectstorage-custom-cert-put-object-ruby/README.md
index 47f1344..51d32ee 100644
--- a/samples/oci-objectstorage-custom-cert-put-object-ruby/README.md
+++ b/samples/oci-objectstorage-custom-cert-put-object-ruby/README.md
@@ -4,6 +4,10 @@ This function uses Resource Principals to securely authorize a function to make
 API calls to OCI services using the [OCI Ruby SDK](https://docs.cloud.oracle.com/iaas/tools/ruby/latest/).
 It creates an object in a bucket in Object Storage and returns a message with a status.
 
+Some OCI realms uses self signed certificates. Certificate being used can be specified in client we create
+in function to connect to OCI services. In this function, certificate to be trusted is specified in the 
+client we are creating to interact with Object Storage.
+
 The function calls the following OCI Ruby SDK classes:
 * [resource_principals_signer](https://docs.oracle.com/en-us/iaas/tools/ruby/2.14.0/OCI/Auth/Signers/ResourcePrincipalsFederationSigner.html) to authenticate
 * [ObjectStorageClient](https://docs.oracle.com/en-us/iaas/tools/ruby/2.15.0/OCI/ObjectStorage/ObjectStorageClient.html) to interact with Object Storage