diff --git a/translations/Japanese.lang b/translations/Japanese.lang
index 5f8aaa16..41796bf8 100644
--- a/translations/Japanese.lang
+++ b/translations/Japanese.lang
@@ -45,7 +45,7 @@ msgstr "%ld か所のさらなる一致"
 
 #. Resource IDs: (1069)
 msgid "%path% is replaced with the path of the file, %line% with the line to jump to"
-msgstr ""
+msgstr "%path% は「ファイルのパス」、%line% は「移動先の行番号」で置換されます"
 
 #. Resource IDs: (119)
 msgid "&About grepWin..."
@@ -126,7 +126,7 @@ msgstr "最新版を確認"
 
 #. Resource IDs: (1068)
 msgid "Command line to start an editor at a specific line:"
-msgstr ""
+msgstr "指定行をエディタで開くためのコマンドライン:"
 
 #. Resource IDs: (1060)
 msgid "Content"
@@ -308,7 +308,7 @@ msgstr "行番号"
 #. Resource IDs: (150)
 #, c-format
 msgid "Line %5ld : %30s\n"
-msgstr ""
+msgstr "行 %5ld : %30s\n"
 
 #. Resource IDs: (135)
 msgid "Matches"
@@ -605,7 +605,7 @@ msgstr "ファイルをバイナリでなくテキストと認識するための
 
 #. Resource IDs: (112)
 msgid "only files that match this pattern are searched.\r\nUse \"|\" as the delimiter.\r\nExample: *.cpp|*.h"
-msgstr ""
+msgstr "このパターンに一致するファイルから検索されます。\r\n区切りに「|」が使えます。\r\n指定例: *.cpp|*.h"
 
 #. Resource IDs: (176)
 msgid "open list with recent entries"