diff --git a/src/classes/validationsingle.gd b/src/classes/validationsingle.gd
index dd773f2..bc2db1b 100644
--- a/src/classes/validationsingle.gd
+++ b/src/classes/validationsingle.gd
@@ -1,3 +1,21 @@
+# CORE FRAMEWORK SOURCE FILE
+# Copyright (c) 2024 The StarOpenSource Project & Contributors
+# Licensed under the GNU Affero General Public License v3
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+# 
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+## Validates some data against a set of rules.
 extends Node
 class_name CoreValidationSingle
 
@@ -112,26 +130,13 @@ func evaluate() -> bool:
 				# Perform check
 				if data > rule["maximum"]: failures.append(core.stringify_variables("Data is smaller than minimum %type% value %expected%", { "type": rule["matched_against"], "expected": rule["maximum"] }))
 			CoreTypes.ValidationType.HAS_VALUES:
-				# Used later
 				var success: bool = false
 				
-				if rule["all_required"]:
-					# Invert usage
-					success = true
-					
-					for value in rule["values"]:
-						if data != value:
-							# One value did not match
-							success = false
-					
-					if !success: failures.append("Data did not match all provided values")
-				else:
-					for value in rule["values"]:
-						if data == value:
-							# One value did match
-							success = true
-					
-					if !success: failures.append("Data did not match a single provided value")
+				for value in rule["values"]:
+					if data == value:
+						success = true
+				
+				if !success: failures.append("Data did not match a single provided value")
 			CoreTypes.ValidationType.CONTAINS:
 				# If not a String or StringName, skip
 				if typeof(data) != Variant.Type.TYPE_STRING or typeof(data) != Variant.Type.TYPE_STRING_NAME:
@@ -250,8 +255,8 @@ func has_maximum_value_float(maximum: float) -> CoreValidationSingle:
 	return self
 
 # +++ values +++
-func has_values(values: Array, all_required: bool) -> CoreValidationSingle:
-	rules.append({ "type": CoreTypes.ValidationType.HAS_VALUES, "values": values, "all_required": all_required })
+func has_values(values: Array) -> CoreValidationSingle:
+	rules.append({ "type": CoreTypes.ValidationType.HAS_VALUES, "values": values })
 	return self
 
 func contains(values: Array[String], minimum_matches: int = 1) -> CoreValidationSingle: