diff --git a/dist/types.js b/dist/types.js
index 50dd545..4161b0a 100644
--- a/dist/types.js
+++ b/dist/types.js
@@ -11,7 +11,7 @@ var isString = exports.isString = function isString(value) {
   if (typeof value === 'string' || value instanceof String) {
     return {
       value: value,
-      typeof: 'string'
+      type: 'string'
     };
   }
   return false;
@@ -22,7 +22,7 @@ var isNumber = exports.isNumber = function isNumber(value) {
   if (typeof value === 'number' && isFinite(value)) {
     return {
       value: value,
-      typeof: 'number'
+      type: 'number'
     };
   }
   return false;
@@ -33,7 +33,7 @@ var isArray = exports.isArray = function isArray(value) {
   if (value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value.constructor === Array) {
     return {
       value: value,
-      typeof: 'array'
+      type: 'array'
     };
   }
   return false;
@@ -44,7 +44,7 @@ var isObject = exports.isObject = function isObject(value) {
   if (value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value.constructor === Object) {
     return {
       value: value,
-      typeof: 'object'
+      type: 'object'
     };
   }
   return false;
@@ -55,7 +55,7 @@ var isNull = exports.isNull = function isNull(value) {
   if (value === null) {
     return {
       value: value,
-      typeof: 'null'
+      type: 'null'
     };
   }
   return false;
@@ -66,7 +66,7 @@ var isUndefined = exports.isUndefined = function isUndefined(value) {
   if (typeof value === 'undefined') {
     return {
       value: value,
-      typeof: 'undefined'
+      type: 'undefined'
     };
   }
   return false;
@@ -77,7 +77,7 @@ var isBoolean = exports.isBoolean = function isBoolean(value) {
   if (typeof value === 'boolean') {
     return {
       value: value,
-      typeof: 'boolean'
+      type: 'boolean'
     };
   }
   return false;
@@ -88,7 +88,7 @@ var isDate = exports.isDate = function isDate(value) {
   if (value instanceof Date) {
     return {
       value: value,
-      typeof: 'date'
+      type: 'date'
     };
   }
   return false;
diff --git a/dist/types.js.flow b/dist/types.js.flow
index 7ac6205..43c819e 100644
--- a/dist/types.js.flow
+++ b/dist/types.js.flow
@@ -2,7 +2,7 @@
 
 export type ValueDescription = {
     value: any,
-    typeof: string
+    type: string
 }
 
 export type ValidationResult = ValueDescription | false;
@@ -12,7 +12,7 @@ export const isString = (value: any): ValidationResult => {
   if (typeof value === 'string' || value instanceof String) {
     return {
       value,
-      typeof: 'string'
+      type: 'string'
     }
   }
   return false
@@ -23,7 +23,7 @@ export const isNumber = (value: any): ValidationResult => {
   if (typeof value === 'number' && isFinite(value)) {
     return {
       value,
-      typeof: 'number'
+      type: 'number'
     }
   }
   return false
@@ -34,7 +34,7 @@ export const isArray = (value: any): ValidationResult => {
   if (value && typeof value === 'object' && value.constructor === Array) {
     return {
       value,
-      typeof: 'array'
+      type: 'array'
     }
   }
   return false
@@ -45,7 +45,7 @@ export const isObject = (value: any): ValidationResult => {
   if (value && typeof value === 'object' && value.constructor === Object) {
     return {
       value,
-      typeof: 'object'
+      type: 'object'
     }
   }
   return false
@@ -56,7 +56,7 @@ export const isNull = (value: any): ValidationResult => {
   if (value === null) {
     return {
       value,
-      typeof: 'null'
+      type: 'null'
     }
   }
   return false
@@ -67,7 +67,7 @@ export const isUndefined = (value: any): ValidationResult => {
   if (typeof value === 'undefined') {
     return {
       value,
-      typeof: 'undefined'
+      type: 'undefined'
     }
   }
   return false
@@ -78,7 +78,7 @@ export const isBoolean = (value: any): ValidationResult => {
   if (typeof value === 'boolean') {
     return {
       value,
-      typeof: 'boolean'
+      type: 'boolean'
     }
   }
   return false
@@ -89,7 +89,7 @@ export const isDate = (value: any): ValidationResult => {
   if (value instanceof Date) {
     return {
       value,
-      typeof: 'date'
+      type: 'date'
     }
   }
   return false
diff --git a/lib/types.js b/lib/types.js
index 7ac6205..43c819e 100644
--- a/lib/types.js
+++ b/lib/types.js
@@ -2,7 +2,7 @@
 
 export type ValueDescription = {
     value: any,
-    typeof: string
+    type: string
 }
 
 export type ValidationResult = ValueDescription | false;
@@ -12,7 +12,7 @@ export const isString = (value: any): ValidationResult => {
   if (typeof value === 'string' || value instanceof String) {
     return {
       value,
-      typeof: 'string'
+      type: 'string'
     }
   }
   return false
@@ -23,7 +23,7 @@ export const isNumber = (value: any): ValidationResult => {
   if (typeof value === 'number' && isFinite(value)) {
     return {
       value,
-      typeof: 'number'
+      type: 'number'
     }
   }
   return false
@@ -34,7 +34,7 @@ export const isArray = (value: any): ValidationResult => {
   if (value && typeof value === 'object' && value.constructor === Array) {
     return {
       value,
-      typeof: 'array'
+      type: 'array'
     }
   }
   return false
@@ -45,7 +45,7 @@ export const isObject = (value: any): ValidationResult => {
   if (value && typeof value === 'object' && value.constructor === Object) {
     return {
       value,
-      typeof: 'object'
+      type: 'object'
     }
   }
   return false
@@ -56,7 +56,7 @@ export const isNull = (value: any): ValidationResult => {
   if (value === null) {
     return {
       value,
-      typeof: 'null'
+      type: 'null'
     }
   }
   return false
@@ -67,7 +67,7 @@ export const isUndefined = (value: any): ValidationResult => {
   if (typeof value === 'undefined') {
     return {
       value,
-      typeof: 'undefined'
+      type: 'undefined'
     }
   }
   return false
@@ -78,7 +78,7 @@ export const isBoolean = (value: any): ValidationResult => {
   if (typeof value === 'boolean') {
     return {
       value,
-      typeof: 'boolean'
+      type: 'boolean'
     }
   }
   return false
@@ -89,7 +89,7 @@ export const isDate = (value: any): ValidationResult => {
   if (value instanceof Date) {
     return {
       value,
-      typeof: 'date'
+      type: 'date'
     }
   }
   return false