diff --git a/src/widgets/mainwindow.ui b/src/widgets/mainwindow.ui
index 4c7dd23..e1a26ef 100644
--- a/src/widgets/mainwindow.ui
+++ b/src/widgets/mainwindow.ui
@@ -164,7 +164,7 @@
     <set>Qt::LeftDockWidgetArea|Qt::RightDockWidgetArea</set>
    </property>
    <property name="windowTitle">
-    <string>Proteins &amp;&amp; Markers</string>
+    <string>Proteins and Markers</string>
    </property>
    <attribute name="dockWidgetArea">
     <number>1</number>