diff --git a/webpack/index.d.ts b/webpack/index.d.ts
index 5f3dcb1688..5def0965ff 100644
--- a/webpack/index.d.ts
+++ b/webpack/index.d.ts
@@ -598,9 +598,7 @@ declare namespace webpack {
          * Assign the module and chunk ids by occurrence count. Ids that are used often get lower (shorter) ids.
          * This make ids predictable, reduces to total file size and is recommended.
          */
-        // TODO: This is a typo, and will be removed in Webpack 2.
-        OccurenceOrderPlugin: optimize.OccurenceOrderPluginStatic;
-        OccurrenceOrderPlugin: optimize.OccurenceOrderPluginStatic;
+        OccurrenceOrderPlugin: optimize.OccurrenceOrderPluginStatic;
         /**
          * Minimize all JavaScript output of chunks. Loaders are switched into minimizing mode.
          * You can pass an object containing UglifyJs options.
@@ -1027,7 +1025,7 @@ declare namespace webpack {
         interface MinChunkSizePluginStatic {
             new (options: any): Plugin;
         }
-        interface OccurenceOrderPluginStatic {
+        interface OccurrenceOrderPluginStatic {
             new (preferEntry: boolean): Plugin;
         }
         interface UglifyJsPluginStatic {
diff --git a/webpack/webpack-tests.ts b/webpack/webpack-tests.ts
index 0969070323..a536a2713f 100644
--- a/webpack/webpack-tests.ts
+++ b/webpack/webpack-tests.ts
@@ -280,7 +280,7 @@ plugin = new webpack.BannerPlugin(banner, options);
 plugin = new webpack.optimize.DedupePlugin();
 plugin = new webpack.optimize.LimitChunkCountPlugin(options);
 plugin = new webpack.optimize.MinChunkSizePlugin(options);
-plugin = new webpack.optimize.OccurenceOrderPlugin(preferEntry);
+plugin = new webpack.optimize.OccurrenceOrderPlugin(preferEntry);
 plugin = new webpack.optimize.OccurrenceOrderPlugin(preferEntry);
 plugin = new webpack.optimize.UglifyJsPlugin(options);
 plugin = new webpack.optimize.UglifyJsPlugin();