diff --git a/book/src/editor.md b/book/src/editor.md
index 624bdff23..211dbf21b 100644
--- a/book/src/editor.md
+++ b/book/src/editor.md
@@ -110,6 +110,7 @@ The `[editor.statusline]` key takes the following sub-keys:
 | `mode.normal` | The text shown in the `mode` element for normal mode | `"NOR"` |
 | `mode.insert` | The text shown in the `mode` element for insert mode | `"INS"` |
 | `mode.select` | The text shown in the `mode` element for select mode | `"SEL"` |
+| `merge-with-commandline` | If set, the command line and statusline will merge into a single line. Status text will replace the statusline briefly | `false` |
 
 The following statusline elements can be configured: