diff -r 219c2e588874 -r b2cc4e4e380c QTfrontend/ui/page/pagemain.h
--- a/QTfrontend/ui/page/pagemain.h	Wed Sep 05 20:09:32 2018 +0200
+++ b/QTfrontend/ui/page/pagemain.h	Thu Oct 04 21:17:21 2018 +0200
@@ -40,6 +40,7 @@
         QPushButton * BtnInfo;
         QPushButton * BtnDataDownload;
         QPushButton * BtnVideos;
+        QPushButton * BtnHelp;
         QLabel * mainNote;
 
     private: