diff --git a/benchmarks/Utils/SchemaGenerator.php b/benchmarks/Utils/SchemaGenerator.php
index 8ee39e7..495ad8f 100644
--- a/benchmarks/Utils/SchemaGenerator.php
+++ b/benchmarks/Utils/SchemaGenerator.php
@@ -152,7 +152,7 @@ class SchemaGenerator
         ];
     }
 
-    public function resolveField($value, $args, $context, $resolveInfo)
+    public function resolveField($rootValue, $args, $context, $resolveInfo)
     {
         return $resolveInfo->fieldName . '-value';
     }
diff --git a/docs/type-system/object-types.md b/docs/type-system/object-types.md
index 9c1f2fb..c12595a 100644
--- a/docs/type-system/object-types.md
+++ b/docs/type-system/object-types.md
@@ -69,7 +69,7 @@ name         | `string` | **Required.** Unique name of this object type within S
 fields       | `array` or `callable` | **Required**. An array describing object fields or callable returning such an array. See [Fields](#field-definitions) section below for expected structure of each array entry. See also the section on [Circular types](#recurring-and-circular-types) for an explanation of when to use callable for this option.
 description  | `string` | Plain-text description of this type for clients (e.g. used by [GraphiQL](https://github.com/graphql/graphiql) for auto-generated documentation)
 interfaces   | `array` or `callable` | List of interfaces implemented by this type or callable returning such a list. See [Interface Types](interfaces.md) for details. See also the section on [Circular types](#recurring-and-circular-types) for an explanation of when to use callable for this option.
-isTypeOf     | `callable` | **function($value, $context, [ResolveInfo](../reference.md#graphqltypedefinitionresolveinfo) $info)**<br> Expected to return **true** if **$value** qualifies for this type (see section about [Abstract Type Resolution](interfaces.md#interface-role-in-data-fetching) for explanation).
+isTypeOf     | `callable` | **function($rootValue, $context, [ResolveInfo](../reference.md#graphqltypedefinitionresolveinfo) $info)**<br> Expected to return **true** if **$value** qualifies for this type (see section about [Abstract Type Resolution](interfaces.md#interface-role-in-data-fetching) for explanation).
 resolveField | `callable` | **function($value, $args, $context, [ResolveInfo](../reference.md#graphqltypedefinitionresolveinfo) $info)**<br> Given the **$value** of this type, it is expected to return value for a field defined in **$info->fieldName**. A good place to define a type-specific strategy for field resolution. See section on [Data Fetching](../data-fetching.md) for details.
 
 # Field configuration options
@@ -80,7 +80,7 @@ Option | Type | Notes
 name | `string` | **Required.** Name of the field. When not set - inferred from **fields** array key (read about [shorthand field definition](#shorthand-field-definitions) below)
 type | `Type` | **Required.** An instance of internal or custom type. Note: type must be represented by a single instance within one schema (see also [Type Registry](index.md#type-registry))
 args | `array` | An array of possible type arguments. Each entry is expected to be an array with keys: **name**, **type**, **description**, **defaultValue**. See [Field Arguments](#field-arguments) section below.
-resolve | `callable` | **function($value, $args, $context, [ResolveInfo](../reference.md#graphqltypedefinitionresolveinfo) $info)**<br> Given the **$value** of this type, it is expected to return actual value of the current field. See section on [Data Fetching](../data-fetching.md) for details
+resolve | `callable` | **function($rootValue, $args, $context, [ResolveInfo](../reference.md#graphqltypedefinitionresolveinfo) $info)**<br> Given the **$value** of this type, it is expected to return actual value of the current field. See section on [Data Fetching](../data-fetching.md) for details
 complexity | `callable` | **function($childrenComplexity, $args)**<br> Used to restrict query complexity. The feature is disabled by default, read about [Security](../security.md#query-complexity-analysis) to use it.
 description | `string` | Plain-text description of this field for clients (e.g. used by [GraphiQL](https://github.com/graphql/graphiql) for auto-generated documentation)
 deprecationReason | `string` | Text describing why this field is deprecated. When not empty - field will not be returned by introspection queries (unless forced)
diff --git a/examples/01-blog/Blog/Type/CommentType.php b/examples/01-blog/Blog/Type/CommentType.php
index cbcad4d..c61e338 100644
--- a/examples/01-blog/Blog/Type/CommentType.php
+++ b/examples/01-blog/Blog/Type/CommentType.php
@@ -35,12 +35,12 @@ class CommentType extends ObjectType
                     Types::htmlField('body')
                 ];
             },
-            'resolveField' => function($value, $args, $context, ResolveInfo $info) {
+            'resolveField' => function($rootValue, $args, $context, ResolveInfo $info) {
                 $method = 'resolve' . ucfirst($info->fieldName);
                 if (method_exists($this, $method)) {
-                    return $this->{$method}($value, $args, $context, $info);
+                    return $this->{$method}($rootValue, $args, $context, $info);
                 } else {
-                    return $value->{$info->fieldName};
+                    return $rootValue->{$info->fieldName};
                 }
             }
         ];
diff --git a/examples/01-blog/Blog/Type/StoryType.php b/examples/01-blog/Blog/Type/StoryType.php
index 32cea4e..1df1f37 100644
--- a/examples/01-blog/Blog/Type/StoryType.php
+++ b/examples/01-blog/Blog/Type/StoryType.php
@@ -75,12 +75,12 @@ class StoryType extends ObjectType
             'interfaces' => [
                 Types::node()
             ],
-            'resolveField' => function($value, $args, $context, ResolveInfo $info) {
+            'resolveField' => function($rootValue, $args, $context, ResolveInfo $info) {
                 $method = 'resolve' . ucfirst($info->fieldName);
                 if (method_exists($this, $method)) {
-                    return $this->{$method}($value, $args, $context, $info);
+                    return $this->{$method}($rootValue, $args, $context, $info);
                 } else {
-                    return $value->{$info->fieldName};
+                    return $rootValue->{$info->fieldName};
                 }
             }
         ];
diff --git a/examples/01-blog/Blog/Type/UserType.php b/examples/01-blog/Blog/Type/UserType.php
index 9960b62..cb5922d 100644
--- a/examples/01-blog/Blog/Type/UserType.php
+++ b/examples/01-blog/Blog/Type/UserType.php
@@ -44,12 +44,12 @@ class UserType extends ObjectType
             'interfaces' => [
                 Types::node()
             ],
-            'resolveField' => function($value, $args, $context, ResolveInfo $info) {
+            'resolveField' => function($rootValue, $args, $context, ResolveInfo $info) {
                 $method = 'resolve' . ucfirst($info->fieldName);
                 if (method_exists($this, $method)) {
-                    return $this->{$method}($value, $args, $context, $info);
+                    return $this->{$method}($rootValue, $args, $context, $info);
                 } else {
-                    return $value->{$info->fieldName};
+                    return $rootValue->{$info->fieldName};
                 }
             }
         ];
diff --git a/src/Type/Definition/ObjectType.php b/src/Type/Definition/ObjectType.php
index 532a9b0..d464b45 100644
--- a/src/Type/Definition/ObjectType.php
+++ b/src/Type/Definition/ObjectType.php
@@ -200,7 +200,7 @@ class ObjectType extends Type implements OutputType, CompositeType, NullableType
     }
 
     /**
-     * @param mixed[]      $value
+     * @param mixed        $value
      * @param mixed[]|null $context
      *
      * @return bool|null