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

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

Author: abhinavgandham

modules/ROOT/partials/configuration/details_serialized_state.adoc

@@ -15,7 +15,7 @@ The default value for this option is `+inherited+`.
 
 *Default value:* `+inherited+`
 
-*Possible values:* `+inherited+`, `+collapsed+`, `+expanded+`
+*Possible values:* `'+inherited+'`, `'+collapsed+'`, `'+expanded+'`
 
 === Example: using `details_serialized_state` to close all Accordions on content save