diff --git a/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/web/client/MockServerRestClientCustomizer.java b/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/web/client/MockServerRestClientCustomizer.java
index a41fb5247b7a..7c98aa76dc9d 100644
--- a/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/web/client/MockServerRestClientCustomizer.java
+++ b/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/web/client/MockServerRestClientCustomizer.java
@@ -50,6 +50,10 @@
  * obtain the mock server. If the customizer has been used more than once the
  * {@link #getServer(RestClient.Builder)} or {@link #getServers()} method must be used to
  * access the related server.
+ * <p>
+ * If a mock server is used in more than one test case in a test class, it might be
+ * necessary to reset the expectations on the server between tests using
+ * {@code getServer().reset()} or {@code getServer(restClientBuilder).reset()}.
  *
  * @author Scott Frederick
  * @since 3.2.0
diff --git a/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/web/client/MockServerRestTemplateCustomizer.java b/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/web/client/MockServerRestTemplateCustomizer.java
index ce7ea7d1abe4..3cd206bc1a79 100644
--- a/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/web/client/MockServerRestTemplateCustomizer.java
+++ b/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/web/client/MockServerRestTemplateCustomizer.java
@@ -48,6 +48,10 @@
  * obtain the mock server. If the customizer has been used more than once the
  * {@link #getServer(RestTemplate)} or {@link #getServers()} method must be used to access
  * the related server.
+ * <p>
+ * If a mock server is used in more than one test case in a test class, it might be
+ * necessary to reset the expectations on the server between tests using
+ * {@code getServer().reset()} or {@code getServer(restTemplate).reset()}.
  *
  * @author Phillip Webb
  * @author Moritz Halbritter