diff -r 57de8fab2237 -r b2f9ded235a6 src/mainwindow.ui
--- a/src/mainwindow.ui	Mon Apr 10 12:40:49 2023 +0300
+++ b/src/mainwindow.ui	Mon Apr 10 14:18:11 2023 +0300
@@ -482,34 +482,34 @@
    </property>
   </action>
   <action name="actionGridFine">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
    <property name="text">
     <string>Fine grid</string>
    </property>
+   <property name="toolTip">
+    <string>Set grid scaling to 0.1</string>
+   </property>
    <property name="shortcut">
     <string>Ctrl+1</string>
    </property>
   </action>
   <action name="actionGridMedium">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
    <property name="text">
     <string>Medium grid</string>
    </property>
+   <property name="toolTip">
+    <string>Set grid scaling to 1</string>
+   </property>
    <property name="shortcut">
     <string>Ctrl+2</string>
    </property>
   </action>
   <action name="actionGridCoarse">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
    <property name="text">
     <string>Coarse grid</string>
    </property>
+   <property name="toolTip">
+    <string>Set grid scaling to 5</string>
+   </property>
    <property name="shortcut">
     <string>Ctrl+3</string>
    </property>