docs: fix authentication tutorial typo

Author: jamesmcglinn

content/techniques/authentication.md

@@ -25,7 +25,7 @@ $ npm install --save @nestjs/passport passport passport-local
 $ npm install --save-dev @types/passport-local
 ```
 
-> warning **Notice** For **any** Passport strategy you choose, you'll always need the `@nestjs/passport` and `passport` packages. Then, you'll need to install the strategy-specific package (e.g., `passport-jwt` or `passport-local`) that implements the particular authentication strategy you are building. In addition, you can also install the type definitions for any Passport strategy, as show above with `@types/passport-local`, which provides assistance while writing TypeScript code.
+> warning **Notice** For **any** Passport strategy you choose, you'll always need the `@nestjs/passport` and `passport` packages. Then, you'll need to install the strategy-specific package (e.g., `passport-jwt` or `passport-local`) that implements the particular authentication strategy you are building. In addition, you can also install the type definitions for any Passport strategy, as shown above with `@types/passport-local`, which provides assistance while writing TypeScript code.
 
 #### Implementing Passport strategies