resolve merge conflict

Author: mchoi8739

doc/api/training/smd_model_parallel_release_notes/smd_model_parallel_change_log.rst

@@ -5,7 +5,7 @@ Release Notes
 New features, bug fixes, and improvements are regularly made to the SageMaker
 distributed model parallel library.
 
-SageMaker Distributed Model Parallel 1.8.1 Release Notes
+SageMaker Distributed Model Parallel 1.9.0 Release Notes
 ========================================================
 
 *Date: May. 3. 2022*

doc/api/training/smp_versions/latest.rst

@@ -11,7 +11,7 @@ To use the library, reference the
 **Common API** documentation alongside the framework specific API documentation.
 
 Version 1.7.0, 1.8.0, 1.8.1, 1.9.0 (Latest)
-====================================
+===========================================
 
 To use the library, reference the Common API documentation alongside the framework specific API documentation.