[LyX/master] Add few examples for lineno options.

[Pavel Sanda]

commit ffbcac3dde702cb418fcdab94e4e3d48eb0d5fef
Author: Pavel Sanda <sanda at lyx.org>
Date:   Tue Oct 6 15:05:11 2020 +0200

    Add few examples for lineno options.
    
    It's actually pretty hard to get that from the manual.
---
 src/frontends/qt/ui/NumberingUi.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt/ui/NumberingUi.ui b/src/frontends/qt/ui/NumberingUi.ui
index 028bbf8..4903665 100644
--- a/src/frontends/qt/ui/NumberingUi.ui
+++ b/src/frontends/qt/ui/NumberingUi.ui
@@ -70,7 +70,7 @@
      <item>
       <widget class="QLineEdit" name="linenoLE">
        <property name="toolTip">
-        <string>Line numbering (lineno package) options. Please refer to the lineno package manual for details.</string>
+        <string>Line numbering (lineno package) options (e.g. right, modulo, switch(*), pagewise). Please refer to the lineno package manual for details.</string>
        </property>
       </widget>
      </item>