diff --git a/docs/src/pages/configurations/custom-webpack-config/index.md b/docs/src/pages/configurations/custom-webpack-config/index.md
index b193a99315c3..8d56ee109d84 100644
--- a/docs/src/pages/configurations/custom-webpack-config/index.md
+++ b/docs/src/pages/configurations/custom-webpack-config/index.md
@@ -153,7 +153,7 @@ The webpack config [is configurable](/configurations/custom-webpack-config/), an
   <div></div>
 
 - Create a `.storybook/webpack.config.js` file.
-- Edit it's contents:
+- Edit its contents:
   ```js
   module.exports = async ({ config }) => console.dir(config.plugins, { depth: null }) || config;
   ```