diff --git a/contributing/design-principles.md b/contributing/design-principles.md
index 2c5064a5..3e848df3 100644
--- a/contributing/design-principles.md
+++ b/contributing/design-principles.md
@@ -146,7 +146,7 @@ Optimizing for search is also important because of our reliance on [codemods](ht
 
 [JSX](/react/docs/displaying-data.html#jsx-syntax) plays a similar role. While it is not required with React, we use it extensively at Facebook both for aesthetic and pragmatic reasons.
 
-In our codebase, JSX provides an unambigious hint to the tools that they are dealing with a React element tree. This makes it possible to add build-time optimizations such as [hoisting constant elements](http://babeljs.io/docs/plugins/transform-react-constant-elements/), safely lint and codemod internal component usage, and [include JSX source location](https://github.com/facebook/react/pull/6771) into the warnings.
+In our codebase, JSX provides an unambiguous hint to the tools that they are dealing with a React element tree. This makes it possible to add build-time optimizations such as [hoisting constant elements](http://babeljs.io/docs/plugins/transform-react-constant-elements/), safely lint and codemod internal component usage, and [include JSX source location](https://github.com/facebook/react/pull/6771) into the warnings.
 
 ### Dogfooding