diff --git a/applications/utilities/preProcessing/mapFields/mapFields.C b/applications/utilities/preProcessing/mapFields/mapFields.C
index 891c14a4f1..6a6e6e0ed0 100644
--- a/applications/utilities/preProcessing/mapFields/mapFields.C
+++ b/applications/utilities/preProcessing/mapFields/mapFields.C
@@ -184,7 +184,7 @@ int main(int argc, char *argv[])
     (
         "mapMethod",
         "word",
-        "specify the mapping method"
+        "specify the mapping method (direct|mapNearest|cellVolumeWeight)"
     );
     argList::addBoolOption
     (