diff --git a/docs/data-fetching.md b/docs/data-fetching.md
index 349e702..c5152ba 100644
--- a/docs/data-fetching.md
+++ b/docs/data-fetching.md
@@ -103,25 +103,25 @@ for a field you simply override this default resolver.
 **graphql-php** provides following default field resolver:
 ```php
 <?php
-function defaultFieldResolver($rootValue, $args, $context, \GraphQL\Type\Definition\ResolveInfo $info)
-{
-    $fieldName = $info->fieldName;
-    $property  = null;
+function defaultFieldResolver($objectValue, $args, $context, \GraphQL\Type\Definition\ResolveInfo $info)
+    {
+        $fieldName = $info->fieldName;
+        $property  = null;
 
-    if (is_array($rootValue) || $rootValue instanceof ArrayAccess) {
-        if (isset($rootValue[$fieldName])) {
-            $property = $rootValue[$fieldName];
-        }
-    } elseif (is_object($rootValue)) {
-        if (isset($rootValue->{$fieldName})) {
-            $property = $rootValue->{$fieldName};
+        if (is_array($objectValue) || $objectValue instanceof \ArrayAccess) {
+            if (isset($objectValue[$fieldName])) {
+                $property = $objectValue[$fieldName];
+            }
+        } elseif (is_object($objectValue)) {
+            if (isset($objectValue->{$fieldName})) {
+                $property = $objectValue->{$fieldName};
+            }
         }
+
+        return $property instanceof Closure
+            ? $property($objectValue, $args, $context, $info)
+            : $property;
     }
-
-    return $property instanceof Closure
-        ? $property($rootValue, $args, $context, $info)
-        : $property;
-}
 ```
 
 As you see it returns value by key (for arrays) or property (for objects). 
@@ -163,7 +163,6 @@ $userType = new ObjectType([
 Keep in mind that **field resolver** has precedence over **default field resolver per type** which in turn
  has precedence over **default field resolver**.
 
-
 # Solving N+1 Problem
 Since: 0.9.0
 
diff --git a/docs/reference.md b/docs/reference.md
index 36d4d1a..49f2372 100644
--- a/docs/reference.md
+++ b/docs/reference.md
@@ -33,7 +33,7 @@ See [related documentation](executing-queries.md).
  * fieldResolver:
  *    A resolver function to use when one is not provided by the schema.
  *    If not provided, the default field resolver is used (which looks for a
- *    value on the root value with the field's name).
+ *    value on the object value with the field's name).
  * validationRules:
  *    A set of rules for query validation step. Default value is all available rules.
  *    Empty array would allow to skip query validation (may be convenient for persisted
@@ -998,7 +998,7 @@ visitor API:
  *
  * @api
  */
-static function visit($rootValue, $visitor, $keyMap = null)
+static function visit($root, $visitor, $keyMap = null)
 ```
 
 ```php
diff --git a/src/Executor/Executor.php b/src/Executor/Executor.php
index 2877f9d..764fa1c 100644
--- a/src/Executor/Executor.php
+++ b/src/Executor/Executor.php
@@ -161,29 +161,29 @@ class Executor
      * and returns it as the result, or if it's a function, returns the result
      * of calling that function while passing along args and context.
      *
-     * @param mixed      $rootValue
+     * @param mixed      $objectValue
      * @param mixed[]    $args
      * @param mixed|null $context
      *
      * @return mixed|null
      */
-    public static function defaultFieldResolver($rootValue, $args, $context, ResolveInfo $info)
+    public static function defaultFieldResolver($objectValue, $args, $context, ResolveInfo $info)
     {
         $fieldName = $info->fieldName;
         $property  = null;
 
-        if (is_array($rootValue) || $rootValue instanceof ArrayAccess) {
-            if (isset($rootValue[$fieldName])) {
-                $property = $rootValue[$fieldName];
+        if (is_array($objectValue) || $objectValue instanceof ArrayAccess) {
+            if (isset($objectValue[$fieldName])) {
+                $property = $objectValue[$fieldName];
             }
-        } elseif (is_object($rootValue)) {
-            if (isset($rootValue->{$fieldName})) {
-                $property = $rootValue->{$fieldName};
+        } elseif (is_object($objectValue)) {
+            if (isset($objectValue->{$fieldName})) {
+                $property = $objectValue->{$fieldName};
             }
         }
 
         return $property instanceof Closure
-            ? $property($rootValue, $args, $context, $info)
+            ? $property($objectValue, $args, $context, $info)
             : $property;
     }
 }