[DOC] Fix errors in Unity Catalog data sources documentation (#3656)

* fixx typo in unity_catalog data sources

* fix

docs/data-sources/aws_unity_catalog_assume_role_policy.md

@@ -5,7 +5,7 @@ subcategory: "Deployment"
 
 -> **Note** This resource has an evolving API, which may change in future versions of the provider. Please always consult [latest documentation](https://docs.databricks.com/data-governance/unity-catalog/get-started.html#configure-a-storage-bucket-and-iam-role-in-aws) in case of any questions.
 
-This data source constructs necessary AWS Unity Catalog assume role policy for you.
+This data source constructs the necessary AWS Unity Catalog assume role policy for you.
 
 ## Example Usage
 
@@ -30,7 +30,7 @@ resource "aws_iam_policy" "unity_metastore" {
 
 resource "aws_iam_role" "metastore_data_access" {
   name                = "${var.prefix}-uc-access"
-  assume_role_policy  = data.aws_iam_policy_document.passrole_for_uc.json
+  assume_role_policy  = data.aws_iam_policy_document.this.json
   managed_policy_arns = [aws_iam_policy.unity_metastore.arn]
 }
 ```
@@ -39,7 +39,7 @@ resource "aws_iam_role" "metastore_data_access" {
 
 * `aws_account_id` (Required) The Account ID of the current AWS account (not your Databricks account).
 * `external_id` (Required) The [storage credential](../resources/storage_credential.md) external id.
-* `role_name` (Required) The name of the AWS IAM role that you created in the previous step in the [official documentation](https://docs.databricks.com/data-governance/unity-catalog/get-started.html#configure-a-storage-bucket-and-iam-role-in-aws).
+* `role_name` (Required) The name of the AWS IAM role to be created for Unity Catalog.
 * `unity_catalog_iam_arn` (Optional) The Databricks Unity Catalog IAM Role ARN. Defaults to `arn:aws:iam::414351767826:role/unity-catalog-prod-UCMasterRole-14S5ZJVKOTYTL`
 
 ## Attribute Reference

docs/data-sources/aws_unity_catalog_policy.md

@@ -5,7 +5,7 @@ subcategory: "Deployment"
 
 -> **Note** This resource has an evolving API, which may change in future versions of the provider. Please always consult [latest documentation](https://docs.databricks.com/data-governance/unity-catalog/get-started.html#configure-a-storage-bucket-and-iam-role-in-aws) in case of any questions.
 
-This data source constructs necessary AWS Unity Catalog policy for you.
+This data source constructs the necessary AWS Unity Catalog policy for you.
 
 ## Example Usage
 
@@ -30,7 +30,7 @@ resource "aws_iam_policy" "unity_metastore" {
 
 resource "aws_iam_role" "metastore_data_access" {
   name                = "${var.prefix}-uc-access"
-  assume_role_policy  = data.aws_iam_policy_document.passrole_for_uc.json
+  assume_role_policy  = data.aws_iam_policy_document.this.json
   managed_policy_arns = [aws_iam_policy.unity_metastore.arn]
 }
 ```