diff --git a/modules/@angular/core/src/linker/ng_module_factory.ts b/modules/@angular/core/src/linker/ng_module_factory.ts
index 7975c55009..b6869734d1 100644
--- a/modules/@angular/core/src/linker/ng_module_factory.ts
+++ b/modules/@angular/core/src/linker/ng_module_factory.ts
@@ -31,7 +31,7 @@ export abstract class NgModuleRef<T> {
 
   /**
    * The ComponentFactoryResolver to get hold of the ComponentFactories
-   * delcared in the `entryComponents` property of the module.
+   * declared in the `entryComponents` property of the module.
    */
   get componentFactoryResolver(): ComponentFactoryResolver { return unimplemented(); }
 
@@ -57,9 +57,9 @@ export abstract class NgModuleRef<T> {
 export class NgModuleFactory<T> {
   constructor(
       private _injectorClass: {new (parentInjector: Injector): NgModuleInjector<T>},
-      private _moduleype: Type<T>) {}
+      private _moduleType: Type<T>) {}
 
-  get moduleType(): Type<T> { return this._moduleype; }
+  get moduleType(): Type<T> { return this._moduleType; }
 
   create(parentInjector: Injector): NgModuleRef<T> {
     if (!parentInjector) {
diff --git a/tools/public_api_guard/core/index.d.ts b/tools/public_api_guard/core/index.d.ts
index 38552dc9e3..7c04a3fd9c 100644
--- a/tools/public_api_guard/core/index.d.ts
+++ b/tools/public_api_guard/core/index.d.ts
@@ -774,7 +774,7 @@ export declare class NgModuleFactory<T> {
     moduleType: Type<T>;
     constructor(_injectorClass: {
         new (parentInjector: Injector): NgModuleInjector<T>;
-    }, _moduleype: Type<T>);
+    }, _moduleType: Type<T>);
     create(parentInjector: Injector): NgModuleRef<T>;
 }