diff --git a/api/controllers/console/error.py b/api/controllers/console/error.py
index 6944c56bf..0a4dfe1c1 100644
--- a/api/controllers/console/error.py
+++ b/api/controllers/console/error.py
@@ -127,7 +127,7 @@ class EducationActivateLimitError(BaseHTTPException):
     code = 429
 
 
-class CompilanceRateLimitError(BaseHTTPException):
-    error_code = "compilance_rate_limit"
+class ComplianceRateLimitError(BaseHTTPException):
+    error_code = "compliance_rate_limit"
     description = "Rate limit exceeded for downloading compliance report."
     code = 429
diff --git a/api/services/billing_service.py b/api/services/billing_service.py
index 5a12aa2e5..476fce005 100644
--- a/api/services/billing_service.py
+++ b/api/services/billing_service.py
@@ -159,9 +159,9 @@ class BillingService:
     ):
         limiter_key = f"{account_id}:{tenant_id}"
         if cls.compliance_download_rate_limiter.is_rate_limited(limiter_key):
-            from controllers.console.error import CompilanceRateLimitError
+            from controllers.console.error import ComplianceRateLimitError
 
-            raise CompilanceRateLimitError()
+            raise ComplianceRateLimitError()
 
         json = {
             "doc_name": doc_name,
diff --git a/api/services/workflow_draft_variable_service.py b/api/services/workflow_draft_variable_service.py
index 3164e010b..2d62d49d9 100644
--- a/api/services/workflow_draft_variable_service.py
+++ b/api/services/workflow_draft_variable_service.py
@@ -422,7 +422,7 @@ class WorkflowDraftVariableService:
                 description=conv_var.description,
             )
             draft_conv_vars.append(draft_var)
-        _batch_upsert_draft_varaible(
+        _batch_upsert_draft_variable(
             self._session,
             draft_conv_vars,
             policy=_UpsertPolicy.IGNORE,
@@ -434,7 +434,7 @@ class _UpsertPolicy(StrEnum):
     OVERWRITE = "overwrite"
 
 
-def _batch_upsert_draft_varaible(
+def _batch_upsert_draft_variable(
     session: Session,
     draft_vars: Sequence[WorkflowDraftVariable],
     policy: _UpsertPolicy = _UpsertPolicy.OVERWRITE,
@@ -721,7 +721,7 @@ class DraftVariableSaver:
             draft_vars = self._build_variables_from_start_mapping(outputs)
         else:
             draft_vars = self._build_variables_from_mapping(outputs)
-        _batch_upsert_draft_varaible(self._session, draft_vars)
+        _batch_upsert_draft_variable(self._session, draft_vars)
 
     @staticmethod
     def _should_variable_be_editable(node_id: str, name: str) -> bool:
diff --git a/api/services/workflow_service.py b/api/services/workflow_service.py
index 0c5d29b78..d2715a61f 100644
--- a/api/services/workflow_service.py
+++ b/api/services/workflow_service.py
@@ -444,9 +444,9 @@ class WorkflowService:
         self, node_data: dict, tenant_id: str, user_id: str, node_id: str, user_inputs: dict[str, Any]
     ) -> WorkflowNodeExecution:
         """
-        Run draft workflow node
+        Run free workflow node
         """
-        # run draft workflow node
+        # run free workflow node
         start_at = time.perf_counter()
 
         node_execution = self._handle_node_run_result(