1 files changed, 4 insertions, 0 deletions
diff --git a/js/Linear/SUM_f.js b/js/Linear/SUM_f.js
index 4fec2bf4..96d28c42 100644
--- a/js/Linear/SUM_f.js
+++ b/js/Linear/SUM_f.js
@@ -21,4 +21,8 @@ function SUM_f() {
     SUM_f.prototype.set = function SUM_f() {
         return new RoundBlock(this.x);
     }
+    SUM_f.prototype.get_popup_title = function SUM_f() {
+        var set_param_popup_title = "Set parameters";
+        return set_param_popup_title;
+    }
 }