[LyX/master] Add/fix some tooltips

[Juergen Spitzmueller]

commit 213a3bc5573c7d1c69d9d318165a017d1ef42d14
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Tue Feb 16 10:02:47 2021 +0100

    Add/fix some tooltips
---
 src/frontends/qt/ui/SearchUi.ui |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt/ui/SearchUi.ui b/src/frontends/qt/ui/SearchUi.ui
index a1826d9..1ea51a8 100644
--- a/src/frontends/qt/ui/SearchUi.ui
+++ b/src/frontends/qt/ui/SearchUi.ui
@@ -200,6 +200,9 @@
        <layout class="QHBoxLayout" name="horizontalLayout_2">
         <item>
          <widget class="QCheckBox" name="caseCB">
+          <property name="toolTip">
+           <string>Treat uppercase/lowercase writing as distinct</string>
+          </property>
           <property name="text">
            <string>&Case sensitive[[search]]</string>
           </property>
@@ -207,6 +210,9 @@
         </item>
         <item>
          <widget class="QCheckBox" name="wordsCB">
+          <property name="toolTip">
+           <string>Match whole words only</string>
+          </property>
           <property name="text">
            <string>Wh&ole words</string>
           </property>
@@ -215,7 +221,7 @@
         <item>
          <widget class="QCheckBox" name="selectionCB">
           <property name="toolTip">
-           <string>Onlysearch in selection</string>
+           <string>Limit search and replace to selection</string>
           </property>
           <property name="text">
            <string>Selection onl&y</string>