diff --git a/src/content/docs/22-integration-unit-testing.md b/src/content/docs/22-integration-unit-testing.md
index 52e35bd0..e6a733bb 100644
--- a/src/content/docs/22-integration-unit-testing.md
+++ b/src/content/docs/22-integration-unit-testing.md
@@ -223,6 +223,8 @@ sealed class MyRequest
 }
 ```
 
+Route and query parameter values are URL-encoded by these helpers, so reserved characters in the request DTO values are preserved when the request is sent.
+
 Helper methods such as **{POST/PUT/PATCH}Async()** methods even has an optional argument which allows you to automatically convert the supplied request DTO instance in to multipart form-data for submitting to form accepting endpoints.
 
 ### State Fixture
@@ -663,4 +665,4 @@ public async Task FakeEventHandlerIsExecuted()
 
 ### Unit Test Examples
 
-More unit testing examples can be found [here](https://github.com/FastEndpoints/FastEndpoints/blob/main/Tests/UnitTests/FastEndpoints/WebTests.cs).
\ No newline at end of file
+More unit testing examples can be found [here](https://github.com/FastEndpoints/FastEndpoints/blob/main/Tests/UnitTests/FastEndpoints/WebTests.cs).