diff --git a/docs/schemas/cputypes.rng b/docs/schemas/cputypes.rng
index c4e7621659..f66bc62ba7 100644
--- a/docs/schemas/cputypes.rng
+++ b/docs/schemas/cputypes.rng
@@ -336,6 +336,19 @@
             </attribute>
           </element>
         </optional>
+        <optional>
+          <element name="counter">
+            <attribute name="name">
+              <text/>
+            </attribute>
+            <attribute name="frequency">
+              <ref name="positiveInteger"/>
+            </attribute>
+            <attribute name="scaling">
+              <ref name="virYesNo"/>
+            </attribute>
+          </element>
+        </optional>
         <optional>
           <ref name="cpuTopology"/>
         </optional>