review feedback - wording

Co-authored-by: Ralf Handl <[email protected]>

Author: handrews

versions/3.0.4.md

@@ -3601,7 +3601,7 @@ However, they SHOULD NOT rely on WHATWG's less stringent generic query string ru
 
 The percent-decoding algorithm does not care which characters were or were not percent-decoded, which means that URIs percent-encoded according to any specification will be decoded correctly.
 
-Similarly, all `form-urlencoded` decoding algorithms simply add `+`-for-space handling on top of the percent-decoding algorithm, and will work regardless of the encoding specification used.
+Similarly, all `form-urlencoded` decoding algorithms simply add `+`-for-space handling to the percent-decoding algorithm, and will work regardless of the encoding specification used.
 
 However, care must be taken to use `form-urlencoded` decoding if `+` represents a space, and to use regular percent-decoding if `+` represents itself as a literal value.