diff --git a/docs/src/pages/configurations/custom-webpack-config/index.md b/docs/src/pages/configurations/custom-webpack-config/index.md
index 96cf5fa7eb5..24531c3956f 100644
--- a/docs/src/pages/configurations/custom-webpack-config/index.md
+++ b/docs/src/pages/configurations/custom-webpack-config/index.md
@@ -87,7 +87,7 @@ Storybook uses the config returned from the above function. So, try to edit the
 -   first loader in the module.loaders (Babel loader for JS)
 -   all existing plugins
 
-> If your custom webpack config uses a fallback `file-loader`, it is necessary to exclude the `.ejs` file extension.
+> If your custom webpack config uses a loader that does not explicitly include specific file extensions via the `test` property, it is necessary to `exclude` the `.ejs` file extension from that loader.
 
 ## Full control mode + default