diff --git a/topics/reference_guide/api_notable/api_notable.md b/topics/appendix/api_notable/api_notable.md similarity index 100% rename from topics/reference_guide/api_notable/api_notable.md rename to topics/appendix/api_notable/api_notable.md diff --git a/topics/reference_guide/api_notable/api_notable_list_2018.md b/topics/appendix/api_notable/api_notable_list_2018.md similarity index 100% rename from topics/reference_guide/api_notable/api_notable_list_2018.md rename to topics/appendix/api_notable/api_notable_list_2018.md diff --git a/topics/reference_guide/api_notable/api_notable_list_2019.md b/topics/appendix/api_notable/api_notable_list_2019.md similarity index 100% rename from topics/reference_guide/api_notable/api_notable_list_2019.md rename to topics/appendix/api_notable/api_notable_list_2019.md diff --git a/topics/reference_guide/api_notable/api_notable_list_2020.md b/topics/appendix/api_notable/api_notable_list_2020.md similarity index 100% rename from topics/reference_guide/api_notable/api_notable_list_2020.md rename to topics/appendix/api_notable/api_notable_list_2020.md diff --git a/topics/reference_guide/api_notable/api_notable_list_2021.md b/topics/appendix/api_notable/api_notable_list_2021.md similarity index 100% rename from topics/reference_guide/api_notable/api_notable_list_2021.md rename to topics/appendix/api_notable/api_notable_list_2021.md