Fix typos in Python script comment (#658)

Signed-off-by: Ruth Kurniawati <[email protected]>

Author: rkurniawati

snippets/general-shared-text/ibm-watsonxdata.mdx

@@ -243,10 +243,10 @@
   #     data store instance.
   # IBM_COS_BUCKET_PUBLIC_ENDPOINT - The target IBM Cloud Object Storage (COS) 
   #     instance’s endpoint value.
-  # IBM_COS_ACCESS_KEY_ID - An HMAC access key ID for the target COS instance.
+  # IBM_COS_ACCESS_KEY - An HMAC access key ID for the target COS instance.
   # IBM_COS_SECRET_ACCESS_KEY - The associated HMAC secret access key ID for the 
   #     target HMAC access key.
-  # IBM_COS_REGION - The target COS instance’s region short ID.
+  # IBM_COS_BUCKET_REGION - The target COS instance’s region short ID.
   # IBM_ICEBERG_CATALOG - The name of the target Iceberg catalog.
   # IBM_ICEBERG_SCHEMA - The name of the target namespace (also known as a schema) 
   #     in the target catalog.