diff --git a/samples/client/petstore-security-test/typescript-angular/README.md b/samples/client/petstore-security-test/typescript-angular/README.md
index b6c812a56efc..6fdf5e362fed 100644
--- a/samples/client/petstore-security-test/typescript-angular/README.md
+++ b/samples/client/petstore-security-test/typescript-angular/README.md
@@ -25,9 +25,11 @@ npm install @ --save
 _without publishing (not recommended):_
 
 ```
-npm install PATH_TO_GENERATED_PACKAGE --save
+npm install PATH_TO_GENERATED_PACKAGE/-.tgz --save
 ```
 
+_It's important to take the tgz file, otherwise you'll get trouble with links on windows_
+
 _using `npm link`:_
 
 In PATH_TO_GENERATED_PACKAGE:
diff --git a/samples/client/petstore-security-test/typescript-angular/api/fake.service.ts b/samples/client/petstore-security-test/typescript-angular/api/fake.service.ts
index 9f3c101f9f66..bfb3c416d355 100644
--- a/samples/client/petstore-security-test/typescript-angular/api/fake.service.ts
+++ b/samples/client/petstore-security-test/typescript-angular/api/fake.service.ts
@@ -71,7 +71,7 @@ export class FakeService {
         let headers = this.defaultHeaders;
 
         // to determine the Accept header
-        let httpHeaderAccepts: string[] = [
+        const httpHeaderAccepts: string[] = [
         ];
         const httpHeaderAcceptSelected: string | undefined = this.configuration.selectHeaderAccept(httpHeaderAccepts);
         if (httpHeaderAcceptSelected !== undefined) {
diff --git a/samples/client/petstore-security-test/typescript-angular/configuration.ts b/samples/client/petstore-security-test/typescript-angular/configuration.ts
index 5dac1323937e..1132f4adc175 100644
--- a/samples/client/petstore-security-test/typescript-angular/configuration.ts
+++ b/samples/client/petstore-security-test/typescript-angular/configuration.ts
@@ -36,7 +36,7 @@ export class Configuration {
             return undefined;
         }
 
-        let type = contentTypes.find(x => this.isJsonMime(x));
+        const type = contentTypes.find((x: string) => this.isJsonMime(x));
         if (type === undefined) {
             return contentTypes[0];
         }
@@ -55,7 +55,7 @@ export class Configuration {
             return undefined;
         }
 
-        let type = accepts.find(x => this.isJsonMime(x));
+        const type = accepts.find((x: string) => this.isJsonMime(x));
         if (type === undefined) {
             return accepts[0];
         }
diff --git a/samples/client/petstore-security-test/typescript-angular/model/return.ts b/samples/client/petstore-security-test/typescript-angular/model/return.ts
index 442d1b5a1017..52f685bd0119 100644
--- a/samples/client/petstore-security-test/typescript-angular/model/return.ts
+++ b/samples/client/petstore-security-test/typescript-angular/model/return.ts
@@ -20,3 +20,4 @@ export interface Return {
      */
     _return?: number;
 }
+