Adds warning about js/jsx files within the pages dir (#3011)

gatsbyjs · Nov 28, 2017 · 0cedc0e · 0cedc0e
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commit 0cedc0e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/docs/building-with-components.md b/docs/docs/building-with-components.md
@@ -44,7 +44,7 @@ A basic directory structure of a project might look like this:
 
 ### Page components
 
-Components under `src/pages` become pages automatically with paths based on their file name. For example `src/pages/index.jsx` is mapped to `yoursite.com` and `src/pages/about.jsx` becomes `yoursite.com/about/`.
+Components under `src/pages` become pages automatically with paths based on their file name. For example `src/pages/index.jsx` is mapped to `yoursite.com` and `src/pages/about.jsx` becomes `yoursite.com/about/`.  Every `.js` or `.jsx` file in the pages directory must resolve to either a string or react component, otherwise your build will fail.
 
 Example: