diff --git a/PHonon/Doc/INPUT_PH.def b/PHonon/Doc/INPUT_PH.def
index 5b518cd98..f62cf7c03 100644
--- a/PHonon/Doc/INPUT_PH.def
+++ b/PHonon/Doc/INPUT_PH.def
@@ -57,9 +57,10 @@ input_description -distribution {Quantum Espresso} -package PWscf -program ph.x
 	}
 
 	var niter_ph -type INTEGER { 
-	    default { 100 }
+	    default { maxter=100 }
 	    info {
-		Maximum number of iterations in a scf step.
+		Maximum number of iterations in a scf step. If you want
+                more than 100, edit variable "maxter" in PH/phcom.f90
 	    }
 	}