diff --git a/PP/Doc/INPUT_PROJWFC.def b/PP/Doc/INPUT_PROJWFC.def
index 3bebec924..9c5e7c715 100644
--- a/PP/Doc/INPUT_PROJWFC.def
+++ b/PP/Doc/INPUT_PROJWFC.def
@@ -78,6 +78,21 @@ input_description -distribution {Quantum Espresso} -package PWscf -program projw
 	    }
 	}
 
+	var lwrite_overlaps -type LOGICAL {
+	    default { .false. }
+	    info {
+		if .true., the overlap matrix of the atomic orbitals
+                prior to orthogonalization is written to the atomic_proj datafile.
+	    }
+	}
+
+	var lbinary_data -type LOGICAL {
+	    default { .false. }
+	    info {
+		if .true., the atomic_proj datafile is written in binary fmt.
+	    }
+	}
+
 	var kresolveddos -type LOGICAL {
 	    default { .false. }
             info {