diff --git a/doc/arm/logging-categories.xml b/doc/arm/logging-categories.xml
index 452616939c..456b6fc4de 100644
--- a/doc/arm/logging-categories.xml
+++ b/doc/arm/logging-categories.xml
@@ -287,6 +287,18 @@
 	  </para>
 	</entry>
       </row>
+      <row rowsep="0">
+	<entry colname="1">
+	  <para><command>spill</command></para>
+	</entry>
+	<entry colname="2">
+	  <para>
+	    Logs queries that have been terminated, either by dropping
+	    or responding with SERVFAIL, as a result of a fetchlimit
+	    quota being exceeded.
+	  </para>
+	</entry>
+      </row>
       <row rowsep="0">
 	<entry colname="1">
 	  <para><command>unmatched</command></para>