From 7769b6d33dd2fa7cd0aed87321dede7e78f4b579 Mon Sep 17 00:00:00 2001
From: Gareth Aneurin Tribello <garethtribello@Gareths-MacBook-Pro.local>
Date: Wed, 14 Aug 2024 15:38:36 +0100
Subject: [PATCH] Fix to type for ARG keyword in EMMI

---
 src/isdb/EMMI.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/isdb/EMMI.cpp b/src/isdb/EMMI.cpp
index 699b5cfad1..eeaf8d60a9 100644
--- a/src/isdb/EMMI.cpp
+++ b/src/isdb/EMMI.cpp
@@ -389,7 +389,7 @@ void EMMI::registerKeywords( Keywords& keys ) {
   ActionAtomistic::registerKeywords( keys );
   ActionWithValue::registerKeywords( keys );
   ActionWithArguments::registerKeywords( keys );
-  keys.addInputKeyword("compulsory","ARG","scalar","the labels of the values from which the function is calculated");
+  keys.addInputKeyword("optional","ARG","scalar","the labels of the values from which the function is calculated");
   keys.add("atoms","ATOMS","atoms for which we calculate the density map, typically all heavy atoms");
   keys.addFlag("NOPBC",false,"ignore the periodic boundary conditions when calculating distances");
   keys.add("compulsory","GMM_FILE","file with the parameters of the GMM components");