diff --git a/wp-includes/css/editor.css b/wp-includes/css/editor.css
index 94903f7..7d2893e 100644
--- a/wp-includes/css/editor.css
+++ b/wp-includes/css/editor.css
@@ -1046,7 +1046,7 @@
 }
 
 .wp-editor-container textarea.wp-editor-area {
-	width: 99.9%;
+	width: 99.8%;
 	-webkit-box-shadow: none;
 	box-shadow: none;
 }