diff --git a/gui/cppcheck_ja.ts b/gui/cppcheck_ja.ts
index c126e8d4e..305927811 100644
--- a/gui/cppcheck_ja.ts
+++ b/gui/cppcheck_ja.ts
@@ -38,7 +38,7 @@ of the GNU General Public License version 3</source>
     <message>
         <location filename="about.ui" line="115"/>
         <source>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Many thanks to these libraries that we use:&lt;/p&gt;&lt;ul style=&quot;margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;&quot;&gt;&lt;li style=&quot; margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;pcre&lt;/li&gt;&lt;li style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;picojson&lt;/li&gt;&lt;li style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;qt&lt;/li&gt;&lt;li style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;tinyxml2&lt;/li&gt;&lt;/ul&gt;&lt;/body&gt;&lt;/html&gt;</source>
-        <translation type="unfinished"></translation>
+        <translation>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;ライブラリの開発者に感謝を捧げます:&lt;/p&gt;&lt;ul style=&quot;margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;&quot;&gt;&lt;li style=&quot; margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;pcre&lt;/li&gt;&lt;li style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;picojson&lt;/li&gt;&lt;li style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;qt&lt;/li&gt;&lt;li style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;tinyxml2&lt;/li&gt;&lt;/ul&gt;&lt;/body&gt;&lt;/html&gt;</translation>
     </message>
 </context>
 <context>
@@ -1190,7 +1190,7 @@ Do you want to stop the analysis and exit Cppcheck?</source>
     <message>
         <location filename="mainwindow.cpp" line="1321"/>
         <source>About</source>
-        <translation type="unfinished"></translation>
+        <translation>CppCheckについて</translation>
     </message>
     <message>
         <location filename="mainwindow.cpp" line="1355"/>