diff --git a/src/app.py b/src/app.py
index 777043a2..4171c030 100644
--- a/src/app.py
+++ b/src/app.py
@@ -4005,8 +4005,12 @@ def multiple_components():
     validate_token_if_auth_header_exists(request)
     # Get user token from Authorization header
     user_token = get_user_token(request)
+    # Create a dictionary as required to use an entity validator. Ignore the
+    # options_dict['existing_entity_dict'] support for PUT requests, since this
+    # @app.route() only supports POST.
+    options_dict = {'http_request': request}
     try:
-        schema_validators.validate_application_header_before_entity_create("Dataset", request)
+        schema_validators.validate_application_header_before_entity_create(options_dict=options_dict)
     except Exception as e:
         bad_request_error(str(e))
     require_json(request)
diff --git a/src/schema/schema_validators.py b/src/schema/schema_validators.py
index 81272c03..244277f6 100644
--- a/src/schema/schema_validators.py
+++ b/src/schema/schema_validators.py
@@ -24,10 +24,10 @@
 
 Parameters
 ----------
-normalized_type : str
-    One of the types defined in the schema yaml: Dataset, Upload
-request: Flask request
-    The instance of Flask request passed in from application request
+options_dict : dict
+    A dictionary of data needed by this entity-level validator based upon the create/POST or
+    update/PUT actions.  The dictionary will always have 'http_request' and will have
+    'existing_entity_dict' for a PUT request.
 """
 def validate_application_header_before_entity_create(options_dict):
     if 'http_request' in options_dict:
@@ -52,10 +52,10 @@ def validate_application_header_before_entity_create(options_dict):
 
 Parameters
 ----------
-normalized_type : str
-    One of the types defined in the schema yaml: Dataset, Upload
-request: Flask request
-    The instance of Flask request passed in from application request
+options_dict : dict
+    A dictionary of data needed by this entity-level validator based upon the create/POST or
+    update/PUT actions.  The dictionary will always have 'http_request' and will have
+    'existing_entity_dict' for a PUT request.
 """
 def validate_entity_not_locked_before_update(options_dict):
     if 'existing_entity_dict' in options_dict: