Worked on the spring-projects/spring-boot repository to enhance documentation clarity around test auto-configuration, specifically focusing on the distinction between JacksonTester and GsonTester. Leveraging expertise in Java and the Spring Framework, addressed developer confusion by updating the test documentation to clearly outline the intended usage of JacksonTester Auto-Configuration. Additionally, corrected author attribution in the JacksonTesterTestAutoConfiguration Javadoc to ensure documentation accuracy and maintain open source standards. The work consisted of a risk-free, documentation-only change, linked to issue gh-47784 for traceability, and aimed to reduce support overhead while improving the onboarding experience for developers working with Spring Boot testing features.