diff --git a/doc/en/weechat_plugin_api.en.txt b/doc/en/weechat_plugin_api.en.txt
index ccc517659..1a04def92 100644
--- a/doc/en/weechat_plugin_api.en.txt
+++ b/doc/en/weechat_plugin_api.en.txt
@@ -297,7 +297,7 @@ C example:
 
 [source,C]
 ----------------------------------------
-weechat_charset_set (plugin, "iso-8859-1");
+weechat_charset_set ("iso-8859-1");
 ----------------------------------------
 
 Script (Python):
@@ -336,7 +336,7 @@ C example:
 
 [source,C]
 ----------------------------------------
-char *str = weechat_iconv_to_internal (plugin, "iso-8859-1", "iso string: é à");
+char *str = weechat_iconv_to_internal ("iso-8859-1", "iso string: é à");
 /* ... */
 free (str);
 ----------------------------------------
diff --git a/doc/fr/weechat_plugin_api.fr.txt b/doc/fr/weechat_plugin_api.fr.txt
index fc67e1021..32b0f1775 100644
--- a/doc/fr/weechat_plugin_api.fr.txt
+++ b/doc/fr/weechat_plugin_api.fr.txt
@@ -304,7 +304,7 @@ Exemple en C :
 
 [source,C]
 ----------------------------------------
-weechat_charset_set (plugin, "iso-8859-1");
+weechat_charset_set ("iso-8859-1");
 ----------------------------------------
 
 Script (Python) :
@@ -343,7 +343,7 @@ Exemple en C :
 
 [source,C]
 ----------------------------------------
-char *str = weechat_iconv_to_internal (plugin, "iso-8859-1", "chaîne iso : é à");
+char *str = weechat_iconv_to_internal ("iso-8859-1", "chaîne iso : é à");
 /* ... */
 free (str);
 ----------------------------------------
diff --git a/doc/it/weechat_plugin_api.it.txt b/doc/it/weechat_plugin_api.it.txt
index 0a7c56a5b..959279388 100644
--- a/doc/it/weechat_plugin_api.it.txt
+++ b/doc/it/weechat_plugin_api.it.txt
@@ -307,7 +307,7 @@ Esempio in C:
 
 [source,C]
 ----------------------------------------
-weechat_charset_set (plugin, "iso-8859-1");
+weechat_charset_set ("iso-8859-1");
 ----------------------------------------
 
 Script (Python):
@@ -348,7 +348,7 @@ Esempio in C:
 
 [source,C]
 ----------------------------------------
-char *str = weechat_iconv_to_internal (plugin, "iso-8859-1", "iso string: é à");
+char *str = weechat_iconv_to_internal ("iso-8859-1", "iso string: é à");
 /* ... */
 free (str);
 ----------------------------------------