diff --git a/test/support/withHandlers.ts b/test/support/withHandlers.ts
index ef605df..f6dca5d 100644
--- a/test/support/withHandlers.ts
+++ b/test/support/withHandlers.ts
@@ -1,6 +1,11 @@
 import { RequestHandler } from 'msw'
 import { setupServer } from 'msw/node'
 
+/**
+ * Creates an MSW `server` instance, populates it
+ * with the given `handlers`, runs the `callback`,
+ * and cleans up afterward.
+ */
 export async function withHandlers<R>(
   handlers: Array<RequestHandler>,
   callback: () => Promise<R>,