diff --git a/src/Utils/FindBreakingChanges.php b/src/Utils/FindBreakingChanges.php
index 4077b1d..8f5a906 100644
--- a/src/Utils/FindBreakingChanges.php
+++ b/src/Utils/FindBreakingChanges.php
@@ -317,7 +317,7 @@ class FindBreakingChanges
                     if (!$isSafe) {
                         $oldFieldTypeString = self::isNamedType($oldFieldType) ? $oldFieldType->name : $oldFieldType;
                         $newFieldTypeString = self::isNamedType($newfieldType) ? $newfieldType->name : $newfieldType;
-                        $breakingFieldChanges[] = ['type' => self::BREAKING_CHANGE_FIELD_CHANGED, 'description' => "${typeName}->${fieldName} changed type from ${oldFieldTypeString} to ${newFieldTypeString}"];
+                        $breakingFieldChanges[] = ['type' => self::BREAKING_CHANGE_FIELD_CHANGED, 'description' => "${typeName}->${fieldName} changed type from ${oldFieldTypeString} to ${newFieldTypeString}."];
                     }
                 }
             }
diff --git a/tests/Utils/FindBreakingChangesTest.php b/tests/Utils/FindBreakingChangesTest.php
index 34334c9..ac792f4 100644
--- a/tests/Utils/FindBreakingChangesTest.php
+++ b/tests/Utils/FindBreakingChangesTest.php
@@ -5,6 +5,7 @@
 
 namespace GraphQL\Tests\Utils;
 
+use GraphQL\Type\Definition\InputObjectType;
 use GraphQL\Type\Definition\InterfaceType;
 use GraphQL\Type\Definition\ObjectType;
 use GraphQL\Type\Definition\Type;
@@ -258,4 +259,173 @@ class FindBreakingChangesTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals($expectedFieldChanges, FindBreakingChanges::findFieldsThatChangedType($oldSchema, $newSchema));
     }
 
+
+    public function testShouldDetectInputFieldChanges()
+    {
+        $oldInputType = new InputObjectType([
+            'name' => 'InputType1',
+            'fields' => [
+                'field1' => [
+                    'type' => Type::string(),
+                ],
+                'field2' => [
+                    'type' => Type::boolean(),
+                ],
+                'field3' => [
+                    'type' => Type::listOf(Type::string())
+                ],
+                'field4' => [
+                    'type' => Type::nonNull(Type::string()),
+                ],
+                'field5' => [
+                    'type' => Type::string(),
+                ],
+                'field6' => [
+                    'type' => Type::listOf(Type::int())
+                ],
+                'field7' => [
+                    'type' => Type::nonNull(Type::listOf(Type::int()))
+                ],
+                'field8' => [
+                    'type' => Type::int(),
+                ],
+                'field9' => [
+                    'type' => Type::listOf(Type::int())
+                ],
+                'field10' => [
+                    'type' => Type::listOf(Type::nonNull(Type::int()))
+                ],
+                'field11' => [
+                    'type' => Type::listOf(Type::int())
+                ],
+                'field12' => [
+                    'type' => Type::listOf(Type::listOf(Type::int()))
+                ],
+                'field13' => [
+                    'type' => Type::nonNull(Type::int())
+                ],
+                'field14' => [
+                    'type' => Type::listOf(Type::nonNull(Type::listOf(Type::int())))
+                ],
+                'field15' => [
+                    'type' => Type::listOf(Type::nonNull(Type::listOf(Type::int())))
+                ]
+            ]
+        ]);
+
+        $newInputType = new InputObjectType([
+            'name' => 'InputType1',
+            'fields' => [
+                'field1' => [
+                    'type' => Type::int(),
+                ],
+                'field3' => [
+                    'type' => Type::string()
+                ],
+                'field4' => [
+                    'type' => Type::string()
+                ],
+                'field5' => [
+                    'type' => Type::nonNull(Type::string())
+                ],
+                'field6' => [
+                    'type' => Type::nonNull(Type::listOf(Type::int()))
+                ],
+                'field7' => [
+                    'type' => Type::listOf(Type::int())
+                ],
+                'field8' => [
+                    'type' => Type::nonNull(Type::listOf(Type::int()))
+                ],
+                'field9' => [
+                    'type' => Type::listOf(Type::nonNull(Type::int()))
+                ],
+                'field10' => [
+                    'type' => Type::listOf(Type::int())
+                ],
+                'field11' => [
+                    'type' => Type::listOf(Type::listOf(Type::int()))
+                ],
+                'field12' => [
+                    'type' => Type::listOf(Type::int())
+                ],
+                'field13' => [
+                    'type' => Type::nonNull(Type::listOf(Type::int()))
+                ],
+                'field14' => [
+                    'type' => Type::listOf(Type::listOf(Type::int()))
+                ],
+                'field15' => [
+                    'type' => Type::listOf(Type::nonNull(Type::listOf(Type::nonNull(Type::int()))))
+                ]
+            ]
+        ]);
+
+        $oldSchema = new Schema([
+            'query' => new ObjectType([
+                'name' => 'root',
+                'fields' => [
+                    'type1' => $oldInputType
+                ]
+            ])
+        ]);
+
+        $newSchema = new Schema([
+            'query' => new ObjectType([
+                'name' => 'root',
+                'fields' => [
+                    'type1' => $newInputType
+                ]
+            ])
+        ]);
+
+        $expectedFieldChanges = [
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_CHANGED,
+                'description' => 'InputType1->field1 changed type from String to Int.',
+            ],
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_REMOVED,
+                'description' => 'InputType1->field2 was removed.',
+            ],
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_CHANGED,
+                'description' => 'InputType1->field3 changed type from [String] to String.',
+            ],
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_CHANGED,
+                'description' => 'InputType1->field5 changed type from String to String!.',
+            ],
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_CHANGED,
+                'description' => 'InputType1->field6 changed type from [Int] to [Int]!.',
+            ],
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_CHANGED,
+                'description' => 'InputType1->field8 changed type from Int to [Int]!.',
+            ],
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_CHANGED,
+                'description' => 'InputType1->field9 changed type from [Int] to [Int!].',
+            ],
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_CHANGED,
+                'description' => 'InputType1->field11 changed type from [Int] to [[Int]].',
+            ],
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_CHANGED,
+                'description' => 'InputType1->field12 changed type from [[Int]] to [Int].',
+            ],
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_CHANGED,
+                'description' => 'InputType1->field13 changed type from Int! to [Int]!.',
+            ],
+            [
+                'type' => FindBreakingChanges::BREAKING_CHANGE_FIELD_CHANGED,
+                'description' => 'InputType1->field15 changed type from [[Int]!] to [[Int!]!].',
+            ],
+        ];
+
+        $this->assertEquals($expectedFieldChanges, FindBreakingChanges::findFieldsThatChangedType($oldSchema, $newSchema));
+    }
 }
\ No newline at end of file