diff --git a/reference/gearman/gearmanworker/work.xml b/reference/gearman/gearmanworker/work.xml
index 92157cb7ab..260570a8b0 100644
--- a/reference/gearman/gearmanworker/work.xml
+++ b/reference/gearman/gearmanworker/work.xml
@@ -15,6 +15,9 @@
   </methodsynopsis>
   <para>
    Waits for a job to be assigned and then calls the appropriate callback function.
+   Issues an <constant>E_WARNING</constant> with the last Gearman error if the return
+   code is not one of <constant>GEARMAN_SUCCESS</constant>, <constant>GEARMAN_IO_WAIT</constant>,
+   or <constant>GEARMAN_WORK_FAIL</constant>.
   </para>
  </refsect1>