diff --git a/src/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDelta.H b/src/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDelta.H
index d31620c97f..d6fbd7c704 100644
--- a/src/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDelta.H
+++ b/src/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDelta.H
@@ -38,11 +38,12 @@ Description
         libs            ("libfieldFunctionObjects.so");
         operation       subtract;
 
-        fieldValue1
+        region1
         {
             ...
         }
-        fieldValue2
+
+        region2
         {
             ...
         }