diff --git a/src/OpenFOAM/include/addRegionOption.H b/src/OpenFOAM/include/addRegionOption.H
index a67d1e0fbd..382836d329 100644
--- a/src/OpenFOAM/include/addRegionOption.H
+++ b/src/OpenFOAM/include/addRegionOption.H
@@ -1 +1 @@
-    argList::validOptions.insert("region", "region name");
+    argList::validOptions.insert("region", "name");