diff --git a/aio/content/guide/dependency-injection.md b/aio/content/guide/dependency-injection.md
index 860e66f26c..9633a94b16 100644
--- a/aio/content/guide/dependency-injection.md
+++ b/aio/content/guide/dependency-injection.md
@@ -240,7 +240,7 @@ The `@Injectable()` decorator is the standard decorator for service classes.
 
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- The decorator requirement is imposed by TypeScript. TypeScript normally discards parameter type information when it [transpiles]((guide/glossary#transpile) the code to JavaScript. TypeScript preserves this information if the class has a decorator and the `emitDecoratorMetadata` compiler option is set `true` in TypeScript's `tsconfig.json` configuration file. The CLI configures `tsconfig.json` with `emitDecoratorMetadata: true`.
+ The decorator requirement is imposed by TypeScript. TypeScript normally discards parameter type information when it [transpiles](guide/glossary#transpile) the code to JavaScript. TypeScript preserves this information if the class has a decorator and the `emitDecoratorMetadata` compiler option is set `true` in TypeScript's `tsconfig.json` configuration file. The CLI configures `tsconfig.json` with `emitDecoratorMetadata: true`.
  
  This means you're responsible for putting `@Injectable()` on your service classes.