docs(NgModule): Fixed docs for NgModule.entryComponents (angular#12006)

* docs(NgModule): Corrected the wording of the documentation of `entryComponents`, fixed some minor grammar issues

* docs(NgModule): Remove redundant ComponentFactory mentions

* docs(NgModule): Restore ComponentFactory/ComponentResolver links

Author: benelliott

modules/@angular/core/src/metadata/ng_module.ts

@@ -29,7 +29,7 @@ export interface SchemaMetadata { name: string; }
 
 /**
  * Defines a schema that will allow:
- * - any non-angular elements with a `-` in their name,
+ * - any non-Angular elements with a `-` in their name,
  * - any properties on elements with a `-` in their name which is the common rule for custom
  * elements.
  *
@@ -132,9 +132,9 @@ export interface NgModule {
   imports?: Array<Type<any>|ModuleWithProviders|any[]>;
 
   /**
-   * Specifies a list of directives/pipes/module that can be used within the template
-   * of any component that is part of an angular module
-   * that imports this angular module.
+   * Specifies a list of directives/pipes/modules that can be used within the template
+   * of any component that is part of an Angular module
+   * that imports this Angular module.
    *
    * ### Example
    *
@@ -149,10 +149,9 @@ export interface NgModule {
   exports?: Array<Type<any>|any[]>;
 
   /**
-   * Defines the components that should be compiled as well when
-   * this component is defined. For each components listed here,
-   * Angular will create a {@link ComponentFactory ComponentFactory} and store it in the
-   * {@link ComponentFactoryResolver ComponentFactoryResolver}.
+   * Specifies a list of components that should be compiled when this module is defined.
+   * For each component listed here, Angular will create a {@link ComponentFactory}
+   * and store it in the {@link ComponentFactoryResolver}.
    */
   entryComponents?: Array<Type<any>|any[]>;
 
@@ -164,7 +163,7 @@ export interface NgModule {
   bootstrap?: Array<Type<any>|any[]>;
 
   /**
-   * Elements and properties that are not angular Components nor Directives have to be declared in
+   * Elements and properties that are not Angular components nor directives have to be declared in
    * the schema.
    *
    * Available schemas:
@@ -186,7 +185,7 @@ export interface NgModule {
 }
 
 /**
- * NgModule decorator and metadata
+ * NgModule decorator and metadata.
  *
  * @stable
  * @Annotation