diff --git a/internal/service/cloudformation/stack_set_instance.go b/internal/service/cloudformation/stack_set_instance.go
index 02dfe22c42c..1cfdf51f52f 100644
--- a/internal/service/cloudformation/stack_set_instance.go
+++ b/internal/service/cloudformation/stack_set_instance.go
@@ -81,7 +81,7 @@ func resourceStackSetInstance() *schema.Resource {
 							Optional:      true,
 							ForceNew:      true,
 							MinItems:      1,
-							ConflictsWith: []string{"account_id"},
+							ConflictsWith: []string{names.AttrAccountID},
 							Elem: &schema.Schema{
 								Type:         schema.TypeString,
 								ValidateFunc: validation.StringMatch(regexache.MustCompile(`^(ou-[0-9a-z]{4,32}-[0-9a-z]{8,32}|r-[0-9a-z]{4,32})$`), ""),
@@ -92,13 +92,13 @@ func resourceStackSetInstance() *schema.Resource {
 							Optional:      true,
 							ForceNew:      true,
 							ValidateFunc:  validation.StringInSlice(enum.Slice(awstypes.AccountFilterType.Values("")...), false),
-							ConflictsWith: []string{"account_id"},
+							ConflictsWith: []string{names.AttrAccountID},
 						},
 						"accounts": {
 							Type:          schema.TypeSet,
 							Optional:      true,
 							ForceNew:      true,
-							ConflictsWith: []string{"account_id"},
+							ConflictsWith: []string{names.AttrAccountID},
 							MinItems:      1,
 							Elem: &schema.Schema{
 								Type:         schema.TypeString,
@@ -109,7 +109,7 @@ func resourceStackSetInstance() *schema.Resource {
 							Type:          schema.TypeString,
 							ForceNew:      true,
 							Optional:      true,
-							ConflictsWith: []string{"account_id"},
+							ConflictsWith: []string{names.AttrAccountID},
 							ValidateFunc:  validation.StringMatch(regexp.MustCompile(`(s3://|http(s?)://).+`), ""),
 						},
 					},
diff --git a/internal/service/cloudformation/stack_set_instance_test.go b/internal/service/cloudformation/stack_set_instance_test.go
index 8d79f9b963d..255935248e4 100644
--- a/internal/service/cloudformation/stack_set_instance_test.go
+++ b/internal/service/cloudformation/stack_set_instance_test.go
@@ -817,8 +817,8 @@ resource "aws_cloudformation_stack_set_instance" "test" {
 
   deployment_targets {
     organizational_unit_ids = [data.aws_organizations_organization.test.roots[0].id]
-    account_filter_type = "INTERSECTION"
-    accounts = [data.aws_organizations_organization.test.non_master_accounts[0].id]
+    account_filter_type     = "INTERSECTION"
+    accounts                = [data.aws_organizations_organization.test.non_master_accounts[0].id]
   }
 
   stack_set_name = aws_cloudformation_stack_set.test.name
diff --git a/website/docs/r/cloudformation_stack_set_instance.html.markdown b/website/docs/r/cloudformation_stack_set_instance.html.markdown
index 46c24a1699e..e180b086d57 100644
--- a/website/docs/r/cloudformation_stack_set_instance.html.markdown
+++ b/website/docs/r/cloudformation_stack_set_instance.html.markdown
@@ -102,6 +102,7 @@ The `deployment_targets` configuration block supports the following arguments:
 * `account_filter_type` - (Optional) Limit deployment targets to individual accounts or include additional accounts with provided OUs. Valid values: `INTERSECTION`, `DIFFERENCE`, `UNION`, `NONE`.
 * `accounts` - (Optional) List of accounts to deploy stack set updates.
 * `accounts_url` - (Optional) S3 URL of the file containing the list of accounts.
+
 ### `operation_preferences` Argument Reference
 
 The `operation_preferences` configuration block supports the following arguments: