diff --git a/src/Rules/Variables/ParameterOutAssignedTypeRule.php b/src/Rules/Variables/ParameterOutAssignedTypeRule.php
index 9c24597525..02ce19c05e 100644
--- a/src/Rules/Variables/ParameterOutAssignedTypeRule.php
+++ b/src/Rules/Variables/ParameterOutAssignedTypeRule.php
@@ -108,10 +108,15 @@ public function processNode(Node $node, Scope $scope): array
 			$functionDescription,
 			$outType->describe($verbosityLevel),
 			$assignedExprType->describe($verbosityLevel),
-		))->identifier(sprintf('%s.type', $isParamOutType ? 'paramOut' : 'parameterByRef'));
+		))->identifier($isParamOutType ? 'paramOut.type' : 'parameterByRef.type');
+
+		$accepts = $outType->acceptsWithReason($assignedExprType, true);
+		if (!$accepts->result->yes()) {
+			$errorBuilder->acceptsReasonsTip($accepts->reasons);
+		}
 
 		if (!$isParamOutType) {
-			$errorBuilder->tip('You can change the parameter out type with @param-out PHPDoc tag.');
+			$errorBuilder->addTip('You can change the parameter out type with @param-out PHPDoc tag.');
 		}
 
 		return [
diff --git a/tests/PHPStan/Rules/Variables/ParameterOutAssignedTypeRuleTest.php b/tests/PHPStan/Rules/Variables/ParameterOutAssignedTypeRuleTest.php
index ed68b380b1..34da13d4f8 100644
--- a/tests/PHPStan/Rules/Variables/ParameterOutAssignedTypeRuleTest.php
+++ b/tests/PHPStan/Rules/Variables/ParameterOutAssignedTypeRuleTest.php
@@ -37,6 +37,7 @@ public function testRule(): void
 			[
 				'Parameter &$p @param-out type of method ParameterOutAssignedType\Foo::doBaz() expects list<int>, array<0|int<2, max>, int> given.',
 				38,
+				'array<0|int<2, max>, int> might not be a list.',
 			],
 			[
 				'Parameter &$p @param-out type of method ParameterOutAssignedType\Foo::doBaz2() expects list<int>, non-empty-list<\'str\'|int> given.',
@@ -45,6 +46,8 @@ public function testRule(): void
 			[
 				'Parameter &$p @param-out type of method ParameterOutAssignedType\Foo::doBaz3() expects list<list<int>>, array<int<0, max>, array<int<0, max>, int>> given.',
 				56,
+				'• array<int<0, max>, int> might not be a list.' . "\n" .
+				'• array<int<0, max>, array<int<0, max>, int>> might not be a list.',
 			],
 			[
 				'Parameter &$p by-ref type of method ParameterOutAssignedType\Foo::doNoParamOut() expects string, int given.',