diff --git a/src/content/guides/ecma-script-modules.mdx b/src/content/guides/ecma-script-modules.mdx
index 78d697c1a449..61e432e178b3 100644
--- a/src/content/guides/ecma-script-modules.mdx
+++ b/src/content/guides/ecma-script-modules.mdx
@@ -79,7 +79,7 @@ In DataURIs using the `text/javascript` or `application/javascript` mime type wi
 
 In addition to the module format, flagging modules as ESM also affect the resolving logic, interop logic and the available symbols in modules.
 
-Imports in ESM are resolved more strictly. Relative requests must include a filename and file extension.
+Imports in ESM are resolved more strictly. Relative requests must include a filename and file extension (e.g. `*.js` or `*.mjs`) unless you have the behaviour disabled with [`fullySpecified=false`](/configuration/module/#resolvefullyspecified).
 
 T> Requests to packages e.g. `import "lodash"` are still supported.