diff --git a/library/HTMLPurifier/AttrDef/CSSURI.php b/library/HTMLPurifier/AttrDef/CSSURI.php
index a92b6263..cb2fe7b9 100644
--- a/library/HTMLPurifier/AttrDef/CSSURI.php
+++ b/library/HTMLPurifier/AttrDef/CSSURI.php
@@ -4,7 +4,7 @@ require_once 'HTMLPurifier/AttrDef/URI.php';
 
 /**
  * Validates a URI in CSS syntax, which uses url('http://example.com')
- * @note While theoretically speaking we a URI in a CSS document could
+ * @note While theoretically speaking a URI in a CSS document could
  *       be non-embedded, as of CSS2 there is no such usage so we're
  *       generalizing it. This may need to be changed in the future.
  * @warning Since HTMLPurifier_AttrDef_CSS blindly uses semicolons as