diff --git a/functions.js b/functions.js
index 7f9f1d21e..42e226192 100644
--- a/functions.js
+++ b/functions.js
@@ -1768,21 +1768,43 @@ function addLabelExample() {
 			}
 
 			if (op == "kw_title") {
+				if (p.value == "") {
+					alert("This action requires a parameter.");
+					return false;
+				}
 				tmp = tmp + "ttrss_entries.title like '%"+p.value+"%'";
 			}
+
 			if (op == "kw_content") {
+				if (p.value == "") {
+					alert("This action requires a parameter.");
+					return false;
+				}
+
 				tmp = tmp + "ttrss_entries.content like '%"+p.value+"%'";
 			}
 
 			if (op == "scoreE") {
+				if (isNaN(parseInt(p.value))) {
+					alert("This action expects numeric parameter.");
+					return false;
+				}
 				tmp = tmp + "score = " + p.value;
 			}
 
 			if (op == "scoreG") {
+				if (isNaN(parseInt(p.value))) {
+					alert("This action expects numeric parameter.");
+					return false;
+				}
 				tmp = tmp + "score > " + p.value;
 			}
 
 			if (op == "scoreL") {
+				if (isNaN(parseInt(p.value))) {
+					alert("This action expects numeric parameter.");
+					return false;
+				}
 				tmp = tmp + "score < " + p.value;
 			}
 
diff --git a/functions.php b/functions.php
index 23d618b8d..eb67f520e 100644
--- a/functions.php
+++ b/functions.php
@@ -5660,9 +5660,9 @@
 		print "<option value=\"updated\">".__("Updated articles")."</option>";
 		print "<option value=\"kw_title\">".__("Title contains")."</option>";
 		print "<option value=\"kw_content\">".__("Content contains")."</option>";
-		print "<option value=\"scoreE\">".__("Score is equals")."</option>";
-		print "<option value=\"scoreG\">".__("Score is less than")."</option>";
-		print "<option value=\"scoreL\">".__("Score is greater than")."</option>";
+		print "<option value=\"scoreE\">".__("Score equals")."</option>";
+		print "<option value=\"scoreG\">".__("Score is greater than")."</option>";
+		print "<option value=\"scoreL\">".__("Score is less than")."</option>";
 		print "<option value=\"newerH\">".__("Articles newer than X hours")."</option>";
 		print "<option value=\"newerD\">".__("Articles newer than X days")."</option>";