diff --git a/docs/reference-guides/block-api/block-metadata.md b/docs/reference-guides/block-api/block-metadata.md
index b00bc533290745..d048cc78fede68 100644
--- a/docs/reference-guides/block-api/block-metadata.md
+++ b/docs/reference-guides/block-api/block-metadata.md
@@ -29,7 +29,7 @@ Starting in WordPress 5.8 release, we encourage using the `block.json` metadata
 	},
 	"usesContext": [ "groupId" ],
 	"editorSelectors": {
-		"root": ".editor-styles-wrapper wp-block-my-plugin-notice"
+		"root": ".editor-styles-wrapper .wp-block-my-plugin-notice"
 	},
 	"selectors": {
 		"root": ".wp-block-my-plugin-notice"