Update modules/ROOT/partials/configuration/details_initial_state.adoc

Co-authored-by: Karl Kemister-Sheppard <[email protected]>

Author: abhinavgandham

modules/ROOT/partials/configuration/details_initial_state.adoc

@@ -16,9 +16,9 @@ The default value for this option is `+inherited+`.
 
 *Type:* `+String+`
 
-*Default value:* `+inherited+`
+*Default value:* `'+inherited+'`
 
-*Possible values:* `+inherited+`, `+collapsed+`, `+expanded+`
+*Possible values:* `'+inherited+'`, `'+collapsed+'`, `'+expanded+'`
 
 === Example: using `details_initial_state` to set all created Accordion sections to present as closed by default