Update v23_0.md

Author: yutakaemura

en/history/v23_0.md

@@ -27,8 +27,8 @@
 
 - [Web Browser](../cmd/view/view_web) {{pro}}
 - [Customize Web Browser](../cmd/tools/customize_web) {{pro}}
-- [Format Document](../cmd/convert/format_document) (Ctrl+F, D) {{pro}}
-- [Format Selection](../cmd/convert/format_selection) (Ctrl+F, F) {{pro}}
+- [Format Document](../cmd/convert/format_document) (Ctrl+K, D) {{pro}}
+- [Format Selection](../cmd/convert/format_selection) (Ctrl+K, F) {{pro}}
 
 ## Plug-in New Features {{pro}}