diff --git a/doc/driverwriting.xml b/doc/driverwriting.xml
index b8422ee..2ed32e6 100644
--- a/doc/driverwriting.xml
+++ b/doc/driverwriting.xml
@@ -749,7 +749,7 @@ The possible event bits are:
 <para>
 <anchor id="comedi-cb-eoa"/>
 <parameter>COMEDI_CB_EOA</parameter>: execute the callback at the
-<quote>End Of-Acquisition</quote>.
+<quote>End-Of-Acquisition</quote> (or <quote>End-Of-Output</quote>).
 </para>
 </listitem>