Capitalization

Author: gaearon

content/docs/testing.md

@@ -32,7 +32,7 @@ Different answers may work for different teams and products.
 
 **[React Testing Library](https://testing-library.com/react)** is a set of helpers that let you test React components without relying on their implementation details. This approach makes refactoring a breeze and also nudges you towards best practices for accessibility. Although it doesn't provide a way to "shallowly" render a component without its children, a test runner like Jest lets you do this by [mocking](/docs/testing-recipes.html#mocking-modules).
 
-### Learn more {#learn-more}
+### Learn More {#learn-more}
 
 This section is divided in two pages: