Update proposals/2422-allow-color-attribute-on-font-tag.md

Co-Authored-By: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>

proposals/2422-allow-color-attribute-on-font-tag.md

@@ -19,7 +19,7 @@ Add the `color` attribute to the allowed attributes of `<font>` in section
 
 ## Potential issues
 
-- We now have a redundant attribute in the spec. While it matches, what the
+- We now have a redundant attribute in the spec. While it matches what the
     clients currently do, it may be better to fix each client instead.
 - Clients may not sanitize the color attribute and will let other color values
     through, increasing compatibility issues again.