diff --git a/src/main/app/i18n/en.js b/src/main/app/i18n/en.js
index f5d9e90d..f7d01143 100644
--- a/src/main/app/i18n/en.js
+++ b/src/main/app/i18n/en.js
@@ -98,6 +98,8 @@
     "next_refresh" : "Next refresh",
     "queued_for_refresh" : "Queued for refresh",
     "feed_url" : "Feed URL",
+    "filtering_expression" : "Filtering expression",
+    "filtering_expression_help" : "If not empty, an expression evaluating to 'true' or 'false'. If false, new entries for this feed will be marked as read automatically.\nAvailable variables are 'title', 'content', 'url' and 'author' and their content is converted to lower case for convenience.\nExample: url.contains('youtube') or (author eq 'athou' and title.contains('github').\nComplete available syntax is available <a href='http://commons.apache.org/proper/commons-jexl/reference/syntax.html' target='_blank'>here</a>.",
     "generate_api_key_first" : "Generate an API key in your profile first.",
     "unsubscribe" : "Unsubscribe",
     "unsubscribe_confirmation" : "Are you sure you want to unsubscribe from this feed?",
diff --git a/src/main/app/sass/generic/_misc.scss b/src/main/app/sass/generic/_misc.scss
index a60f5dbe..29fcd431 100644
--- a/src/main/app/sass/generic/_misc.scss
+++ b/src/main/app/sass/generic/_misc.scss
@@ -43,6 +43,10 @@ label {
 	display: block;
 }
 
+.pre-wrap {
+	white-space: pre-wrap;
+}
+
 .form-horizontal .control-group {
 	margin-bottom: 10px;
 }
diff --git a/src/main/app/templates/feeds.feed_details.html b/src/main/app/templates/feeds.feed_details.html
index 3a173bd6..cee5d685 100644
--- a/src/main/app/templates/feeds.feed_details.html
+++ b/src/main/app/templates/feeds.feed_details.html
@@ -71,9 +71,10 @@
 		</div>
 
 		<div class="form-group">
-			<label class="col-sm-2 control-label">Filtering expression</label>
-			<div class="col-sm-10 checkbox">
+			<label class="col-sm-2 control-label">{{ 'details.filtering_expression' | translate }}</label>
+			<div class="col-sm-10 form-control-static">
 				<input type="text" name="filter" ng-model="sub.filter" class="form-control"></input>
+				<p class="help-block pre-wrap" ng-bind-html="'details.filtering_expression_help' | translate"></p>
 			</div>
 		</div>