diff -r 4608300bc2fc -r b74274d6ee6a share/hedgewars/Data/Locale/hedgewars_ja.ts
--- a/share/hedgewars/Data/Locale/hedgewars_ja.ts	Sat Oct 06 02:27:33 2018 +0200
+++ b/share/hedgewars/Data/Locale/hedgewars_ja.ts	Sun Oct 07 18:16:06 2018 +0200
@@ -423,10 +423,6 @@
         <source>List of players</source>
         <translation>プレイヤーリスト</translation>
     </message>
-    <message>
-        <source>%1 has left (message: &quot;%2&quot;)</source>
-        <translation type="unfinished"></translation>
-    </message>
 </context>
 <context>
     <name>HWForm</name>
@@ -847,7 +843,7 @@
     </message>
     <message>
         <source>User quit</source>
-        <translation>ユーザーは去りました</translation>
+        <translation type="vanished">ユーザーは去りました</translation>
     </message>
     <message>
         <source>Remote host has closed connection</source>
@@ -878,10 +874,6 @@
 Please check the host name and port settings and/or try again later.</source>
         <translation type="unfinished"></translation>
     </message>
-    <message>
-        <source>%1 *** %2 has left (message: &quot;%3&quot;)</source>
-        <translation type="unfinished"></translation>
-    </message>
 </context>
 <context>
     <name>HWPasswordDialog</name>
@@ -1417,6 +1409,10 @@
         <source>Play official network game</source>
         <translation>公式のネットゲームをプレイする</translation>
     </message>
+    <message>
+        <source>Open the Hedgewars online game manual in your web browser</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>PageMultiplayer</name>
@@ -4261,5 +4257,17 @@
         <source>You&apos;re the new room master!</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>/quit: Quit the server</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>This command is only available in the lobby.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>This command is only available in rooms.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 </TS>