diff --git a/packages/replace/README.md b/packages/replace/README.md
index cc3e32d38..e5089bcdf 100644
--- a/packages/replace/README.md
+++ b/packages/replace/README.md
@@ -179,6 +179,19 @@ replace({
 });
 ```
 
+### `sourceMap`
+
+Type: `Boolean`<br>
+Default: `false`
+
+Enables generating sourcemaps for the bundled code. For example, where the plugin is called as follows:
+
+```js
+replace({
+  sourcemap: true
+});
+```
+
 ## Word Boundaries
 
 By default, values will only match if they are surrounded by _word boundaries_.