diff --git a/reference/event/eventbuffer/readline.xml b/reference/event/eventbuffer/readline.xml
index f2ee84f2e7..96b34115e1 100644
--- a/reference/event/eventbuffer/readline.xml
+++ b/reference/event/eventbuffer/readline.xml
@@ -12,7 +12,7 @@
    <type>string</type>
    <methodname>EventBuffer::readLine</methodname>
    <methodparam>
-    <type>string</type>
+    <type>int</type>
     <parameter>eol_style</parameter>
    </methodparam>
   </methodsynopsis>