diff --git a/reference/filter/reference.xml b/reference/filter/reference.xml
index 3e586599aa..6fad2eefab 100644
--- a/reference/filter/reference.xml
+++ b/reference/filter/reference.xml
@@ -1,5 +1,5 @@
-
+
@@ -183,7 +183,7 @@
- Remove all characters except, letters, digits and
+ Remove all characters except letters, digits and
$-_.+!*'(),{}|\\^~[]`<>#%";/?:@&=.