diff --git a/doc/index.docbook b/doc/index.docbook
--- a/doc/index.docbook
+++ b/doc/index.docbook
@@ -211,6 +211,17 @@
 
 </chapter>
 
+<chapter id="keyboard-handling">
+<title>Keyboard Handling</title>
+
+<para>You can move the ruler using the arrow key buttons.</para>
+
+<para>You can move the mouse cursor, and thus the indicator, by holding down
+&Alt; and using the arrow buttons.</para>
+
+<para>Hold down &Shift; while doing one of those to move faster.</para>
+</chapter>
+
 <chapter id="credits-and-license">
 <title>Credits and License</title>
 
diff --git a/klineal.cpp b/klineal.cpp
--- a/klineal.cpp
+++ b/klineal.cpp
@@ -578,7 +578,12 @@
     dist *= 10;
   }
 
-  move( pos() + dist );
+  if ( e->modifiers() & Qt::AltModifier ) {
+    QCursor::setPos( QCursor::pos() + dist );
+  } else {
+    move( pos() + dist );
+    update();
+  }
   KNotification::event( QString(), QStringLiteral( "cursormove" ), QString() );
 }