diff --git a/Builtin-Filters.md b/Builtin-Filters.md
index 47a719a..49cda3b 100644
--- a/Builtin-Filters.md
+++ b/Builtin-Filters.md
@@ -42,5 +42,5 @@ Filter | Document | Source | Test
 `truncatewords` | [Document](https://shopify.github.io/liquid/filters/truncatewords) | [Source](/harttle/liquidjs/blob/master/filters.js) | [Test](/harttle/liquidjs/blob/master/test/filters.js)
 `uniq` | [Document](https://shopify.github.io/liquid/filters/uniq) | [Source](/harttle/liquidjs/blob/master/filters.js) | [Test](/harttle/liquidjs/blob/master/test/filters.js)
 `upcase` | [Document](https://shopify.github.io/liquid/filters/upcase) | [Source](/harttle/liquidjs/blob/master/filters.js) | [Test](/harttle/liquidjs/blob/master/test/filters.js)
+`url_decode` | [Document](https://shopify.github.io/liquid/filters/url_decode) | [Source](/harttle/liquidjs/blob/master/filters.js) | [Test](/harttle/liquidjs/blob/master/test/filters.js)
 `url_encode` | [Document](https://shopify.github.io/liquid/filters/url_encode) | [Source](/harttle/liquidjs/blob/master/filters.js) | [Test](/harttle/liquidjs/blob/master/test/filters.js)
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