diff --git a/lang/en/auth_emailotp.php b/lang/en/auth_emailotp.php
index 33099c3..83b306a 100644
--- a/lang/en/auth_emailotp.php
+++ b/lang/en/auth_emailotp.php
@@ -52,7 +52,6 @@ Pattern:<br />
 
 Mapping:<br />
 <pre>
-username:FIRST_LAST
 firstname:FIRST:ucfirst
 lastname:LAST:ucfirst
 institution:COMPANY:strtoupper
@@ -60,11 +59,9 @@ institution:COMPANY:strtoupper
 
 <p>maps <em>my.name@corp.com</em> to:</p>
 
-username: my_name<br />
 firstname: My<br />
 lastname: Name<br />
 institution: CORP<br />
 
-<p>Allowed modifiers: ucfirst, ucwords, strtoupper. Without mapping of
-<em>username</em> field whole email address is taken as username.</p>
+<p>Allowed modifiers: ucfirst, ucwords, strtoupper.</p>
 EOT;
diff --git a/lang/pl/auth_emailotp.php b/lang/pl/auth_emailotp.php
index 61f41fc..f52e8b4 100644
--- a/lang/pl/auth_emailotp.php
+++ b/lang/pl/auth_emailotp.php
@@ -52,7 +52,6 @@ Wzorzec:<br />
 
 Mapowanie:<br />
 <pre>
-username:FIRST_LAST
 firstname:FIRST:ucfirst
 lastname:LAST:ucfirst
 institution:COMPANY:strtoupper
@@ -60,12 +59,9 @@ institution:COMPANY:strtoupper
 
 <p>odwzoruje <em>my.name@corp.com</em> na:</p>
 
-username: my_name<br />
 firstname: My<br />
 lastname: Name<br />
 institution: CORP<br />
 
-<p>Dozwolone modyfikatory: ucfirst, ucwords, strtoupper. Przy braku mapowania
-pola <em>username</em> domyślnie cały adres email jest traktowany jako nazwa
-użytkownika.</p>
+<p>Dozwolone modyfikatory: ucfirst, ucwords, strtoupper.</p>
 EOT;
diff --git a/version.php b/version.php
index 1b863db..9ce352b 100644
--- a/version.php
+++ b/version.php
@@ -24,7 +24,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2020111802;        // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version   = 2020111803;        // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires  = 2018120304;        // Requires this Moodle version.
 $plugin->component = 'auth_emailotp';   // Full name of the plugin (used for diagnostics).
 $plugin->maturity  = MATURITY_STABLE;