diff --git a/ui/scss/component/_file-render.scss b/ui/scss/component/_file-render.scss
index c3c87c51e..5a547fe84 100644
--- a/ui/scss/component/_file-render.scss
+++ b/ui/scss/component/_file-render.scss
@@ -91,8 +91,7 @@
 
   .markdown-preview {
     height: 100%;
-    /*overflow: auto;*/
-    width: 53rem;
+    width: 40rem;
     margin-left: auto;
     margin-right: auto;
     max-width: unset;