diff --git a/reference/imap/functions/imap-list.xml b/reference/imap/functions/imap-list.xml
index 572eddeab9..70719c91e6 100644
--- a/reference/imap/functions/imap-list.xml
+++ b/reference/imap/functions/imap-list.xml
@@ -43,7 +43,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   Returns an array containing the names of the mailboxes.
+   Returns an array containing the names of the mailboxes or false in case of failure.
   </para>
  </refsect1>
  <refsect1 role="examples">
diff --git a/reference/oauth/oauth/setauthtype.xml b/reference/oauth/oauth/setauthtype.xml
index b72f4c6570..76b8695c9e 100644
--- a/reference/oauth/oauth/setauthtype.xml
+++ b/reference/oauth/oauth/setauthtype.xml
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <modifier>public</modifier> <type>mixed</type><methodname>OAuth::setAuthType</methodname>
+   <modifier>public</modifier> <type>bool</type><methodname>OAuth::setAuthType</methodname>
    <methodparam><type>int</type><parameter>auth_type</parameter></methodparam>
   </methodsynopsis>
   <para>