diff --git a/xml/api/digests-2.9.rng b/xml/api/digests-2.9.rng
index 7e843d41e9..3d00628bdb 100644
--- a/xml/api/digests-2.9.rng
+++ b/xml/api/digests-2.9.rng
@@ -1,33 +1,37 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <grammar xmlns="http://relaxng.org/ns/structure/1.0"
          datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
 
     <start>
         <ref name="element-digests"/>
     </start>
 
     <define name="element-digests">
-        <attribute name="resource"> <text/> </attribute>
-        <attribute name="node"> <text/> </attribute>
-        <attribute name="task"> <text/> </attribute>
-        <attribute name="interval"> <text/> </attribute>
-        <zeroOrMore>
-            <ref name="element-digest"/>
-        </zeroOrMore>
+        <element name="digests">
+            <attribute name="resource"> <text/> </attribute>
+            <attribute name="node"> <text/> </attribute>
+            <attribute name="task"> <text/> </attribute>
+            <attribute name="interval"> <text/> </attribute>
+            <zeroOrMore>
+                <ref name="element-digest"/>
+            </zeroOrMore>
+        </element>
     </define>
 
     <define name="element-digest">
-        <attribute name="type"> <text/> </attribute>
-        <attribute name="hash"> <text/> </attribute>
-        <optional>
-            <element name="parameters">
-                <zeroOrMore>
-                    <attribute>
-                      <anyName/>
-                      <text/>
-                    </attribute>
-                </zeroOrMore>
-            </element>
-        </optional>
+        <element name="digest">
+            <attribute name="type"> <text/> </attribute>
+            <attribute name="hash"> <text/> </attribute>
+            <optional>
+                <element name="parameters">
+                    <zeroOrMore>
+                        <attribute>
+                          <anyName/>
+                          <text/>
+                        </attribute>
+                    </zeroOrMore>
+                </element>
+            </optional>
+        </element>
     </define>
 </grammar>