diff --git a/README.md b/README.md
index b0461b7..ab996d8 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ A python script allow watch Luxpower SNA inverter in realtime
 ## Notification app
 You can implement notification app for Android/iOS by your self and push Firebase Device ID to devices.json file to get notification when grid connect state change.
 
-I also developed an app for Android. If you need it feel free to contact me
+I also developed an app for Android/iOS. If you need it feel free to contact me
 
 ## Webviewer
 You can see LuxPower realtime webviewer in http://locahost:88 (This url can be change by modify variable in `.env` file) like image bellow. This webview is under development
diff --git a/web_viewer/fe_src/src/components/SystemInformation.css b/web_viewer/fe_src/src/components/SystemInformation.css
index caea025..a54ea53 100644
--- a/web_viewer/fe_src/src/components/SystemInformation.css
+++ b/web_viewer/fe_src/src/components/SystemInformation.css
@@ -290,7 +290,7 @@
         font-size: 16px;
     }
 
-    .y-arrow + .y-arrow {
+    .y-arrow+.y-arrow {
         margin-top: -8px;
     }
 }
@@ -377,7 +377,7 @@
         font-size: 14px;
     }
 
-    .y-arrow + .y-arrow {
+    .y-arrow+.y-arrow {
         margin-top: -6px;
     }
 }