diff --git a/js/script_5.1.js b/js/script_5.1.js
index 1503100..4b4a659 100644
--- a/js/script_5.1.js
+++ b/js/script_5.1.js
@@ -277,13 +277,13 @@ $(document).ready(function() {
 	$("#unitaRicerca").on('change', function() {
 		queryJson.unitaRicerca = $("#unitaRicerca")[0].options[$("#unitaRicerca")[0].selectedIndex].value;
 		switch (this.value) {
-			case "versi":
+			case "verso":
 			case "frase":
 			case "periodo":
 			case "discorso":
 				$("#collapseLogicCla").collapse('show');	
 				break;
-			case "riferimenti":
+			case "riferimento":
 				$("#collapseLogicRif").collapse('show');
 				break;
 		}