diff --git a/doc/en/weechat_plugin_api.en.txt b/doc/en/weechat_plugin_api.en.txt
index 987e4e794..a61157f24 100644
--- a/doc/en/weechat_plugin_api.en.txt
+++ b/doc/en/weechat_plugin_api.en.txt
@@ -6715,7 +6715,12 @@ Arguments:
 ** 'void *data': pointer
 ** 'const char *command': command executed by child
 ** 'int return_code': return code:
-*** '>= 0': child command return code
+*** '>= 0': child return code for a command, and for URL possible values are:
+**** '0': transfer ok
+**** '1': invalid URL
+**** '2': transfer error
+**** '3': not enough memory
+**** '4': error with a file
 *** '< 0': 'WEECHAT_HOOK_PROCESS_RUNNING' (data available, but child still
     running) or 'WEECHAT_HOOK_PROCESS_ERROR' (error when launching command)
 ** 'out': standard output of command (stdout)
diff --git a/doc/fr/weechat_plugin_api.fr.txt b/doc/fr/weechat_plugin_api.fr.txt
index ddd94a8ed..735f66093 100644
--- a/doc/fr/weechat_plugin_api.fr.txt
+++ b/doc/fr/weechat_plugin_api.fr.txt
@@ -6804,7 +6804,13 @@ Paramètres :
 ** 'void *data' : pointeur
 ** 'const char *command' : commande exécutée par le fils
 ** 'int return_code' : code retour :
-*** '>= 0' : code retour du fils
+*** '>= 0': code retour du fils pour une commande, et pour l'URL, les valeurs
+    possibles sont :
+**** '0': transfert ok
+**** '1': URL invalide
+**** '2': erreur de transfert
+**** '3': pas assez de mémoire
+**** '4': erreur avec un fichier
 *** '< 0' : 'WEECHAT_HOOK_PROCESS_RUNNING' (données disponibles, mais le
     fils tourne toujours) ou 'WEECHAT_HOOK_PROCESS_ERROR' (erreur en lançant
     la commande)
diff --git a/doc/it/weechat_plugin_api.it.txt b/doc/it/weechat_plugin_api.it.txt
index 370766a5d..754c6ff33 100644
--- a/doc/it/weechat_plugin_api.it.txt
+++ b/doc/it/weechat_plugin_api.it.txt
@@ -6741,7 +6741,13 @@ Argomenti:
 ** 'void *data': puntatore
 ** 'const char *command': comando eseguito dal processo figlio
 ** 'int return_code': codice restituito:
-*** '>= 0': codice restituito dal comando figlio
+// TRANSLATION MISSING
+*** '>= 0': child return code for a command, and for URL possible values are:
+**** '0': transfer ok
+**** '1': invalid URL
+**** '2': transfer error
+**** '3': not enough memory
+**** '4': error with a file
 *** '< 0': 'WEECHAT_HOOK_PROCESS_RUNNING' (dati disponibili, ma figlio
     ancora in esecuzione) o 'WEECHAT_HOOK_PROCESS_ERROR' (errore nella
     esecuzione del comando)