core: fix typo in arguments description of command /mute

doc/de/autogen/user/weechat_commands.txt

@@ -519,7 +519,7 @@ Beispiele:
 [command]*`mute`* Führt einen Befehl ohne Textausgabe aus::
 
 ----
-/mute  [-current | -buffer <name> | -all] command
+/mute  [-current | -buffer <name> | -all] <command>
 
 -current: Ausgabe im aktuellen Buffer wird unterdrückt
  -buffer: Ausgabe im ausgewählten Buffer wird unterdrückt

doc/en/autogen/user/weechat_commands.txt

@@ -519,7 +519,7 @@ Examples:
 [command]*`mute`* execute a command silently::
 
 ----
-/mute  [-current | -buffer <name> | -all] command
+/mute  [-current | -buffer <name> | -all] <command>
 
 -current: no output on current buffer
  -buffer: no output on specified buffer

doc/fr/autogen/user/weechat_commands.txt

@@ -519,7 +519,7 @@ Exemples:
 [command]*`mute`* exécuter une commande silencieusement::
 
 ----
-/mute  [-current | -buffer <nom> | -all] commande
+/mute  [-current | -buffer <nom> | -all] <commande>
 
 -current: pas d'affichage sur le tampon courant
  -buffer: pas d'affichage sur le tampon spécifié

doc/it/autogen/user/weechat_commands.txt

@@ -519,7 +519,7 @@ Esempi:
 [command]*`mute`* esegue un comando in silenzio::
 
 ----
-/mute  [-current | -buffer <nome> | -all] comando
+/mute  [-current | -buffer <nome> | -all] <comando>
 
 -current: nessun output sul buffer corrente
  -buffer: nessun output sul buffer specificato

doc/ja/autogen/user/weechat_commands.txt

@@ -519,7 +519,7 @@ disable: マウスの無効化
 [command]*`mute`* 静かにコマンドを実行::
 
 ----
-/mute  [-current | -buffer <name> | -all] command
+/mute  [-current | -buffer <name> | -all] <command>
 
 -current: 現在のバッファへの出力を禁止
  -buffer: 指定したバッファへの出力を禁止