diff --git a/aio/content/guide/typescript-configuration.md b/aio/content/guide/typescript-configuration.md
index 1cfb5fcc72..61f5c3d0dd 100644
--- a/aio/content/guide/typescript-configuration.md
+++ b/aio/content/guide/typescript-configuration.md
@@ -106,7 +106,7 @@ Many libraries include definition files in their npm packages where both the Typ
 can find them. Angular is one such library.
 The `node_modules/@angular/core/` folder of any Angular application contains several `d.ts` files that describe parts of Angular.
 
-**You need do nothing to get *typings* files for library packages that include `d.ts` files.
+**You need to do nothing to get *typings* files for library packages that include `d.ts` files.
 Angular packages include them already.**
 
 ### lib.d.ts