diff --git a/browser/main/Main.js b/browser/main/Main.js
index 5174df96..8075995c 100644
--- a/browser/main/Main.js
+++ b/browser/main/Main.js
@@ -168,7 +168,7 @@ class Main extends React.Component {
     })
   }
 
-  hideLeftLists(noteDetail, mainBody) {
+  hideLeftLists (noteDetail, mainBody) {
     this.state.noteDetailWidth = noteDetail.style.left
     this.state.mainBodyWidth = mainBody.style.left
     noteDetail.style.left = '0px'