diff --git a/core/configuration.md b/core/configuration.md
index 1d6f59523db..a8e1fa45989 100644
--- a/core/configuration.md
+++ b/core/configuration.md
@@ -207,6 +207,13 @@ api_platform:
             # Whether the API key should be a query parameter or a header.
             # type: 'query' or 'header'
 
+        swagger_ui_extra_configuration:
+            # Controls the default expansion setting for the operations and tags. It can be 'list' (expands only the tags), 'full' (expands the tags and operations) or 'none' (expands nothing).
+            docExpansion: list
+            # If set, enables filtering. The top bar will show an edit box that you can use to filter the tagged operations that are shown.
+            filter: false
+            # You can use any other configuration parameters too.
+
     openapi:
         # The contact information for the exposed API.
         contact:
@@ -223,8 +230,15 @@ api_platform:
             # The license name used for the API.
             name:
             # URL to the license used for the API. MUST be in the format of a URL.
-            url:       
-        
+            url:
+
+        swagger_ui_extra_configuration:
+            # Controls the default expansion setting for the operations and tags. It can be 'list' (expands only the tags), 'full' (expands the tags and operations) or 'none' (expands nothing). 
+            docExpansion: list
+            # If set, enables filtering. The top bar will show an edit box that you can use to filter the tagged operations that are shown.
+            filter: false
+            # You can use any other configuration parameters too.
+
     http_cache:
         # To make all responses public by default.
         public: ~