diff --git a/docs/reference/configuration-reference/spaces-settings.md b/docs/reference/configuration-reference/spaces-settings.md
index ccda5931139f9..c25be98595976 100644
--- a/docs/reference/configuration-reference/spaces-settings.md
+++ b/docs/reference/configuration-reference/spaces-settings.md
@@ -15,3 +15,6 @@ By default, spaces is enabled in {{kib}}. To secure spaces, [enable security](/r
 `xpack.spaces.maxSpaces`
 :   The maximum number of spaces that you can use with the {{kib}} instance. Some {{kib}} operations return all spaces using a single `_search` from {{es}}, so you must configure this setting lower than the `index.max_result_window` in {{es}}. The default is `1000`.
 
+`xpack.spaces.defaultSolution` {applies_to}`stack: ga 9.1`
+:   Sets the solution view for your default space. 
+