improve wording of style example table

"serialization" matches other discussions, "rendering" does not.

Author: handrews

versions/3.0.4.md

@@ -1108,7 +1108,7 @@ Assume a parameter named `color` has one of the following values:
    array -> ["blue","black","brown"]
    object -> { "R": 100, "G": 200, "B": 150 }
 ```
-The following table shows examples of rendering differences for each value.
+The following table shows examples of the different serializations for each value.
 The examples are percent-encoded as required by RFC6570 and RFC3986; see [Appendix E](#percentEncodingAndFormMediaTypes) for a thorough discussion of percent-encoding concerns, including why unencoded `|` (`%7C`), `[` (`%5B`), and `]` (`%5D`) seem to work in some environments despite not being compliant.
 
 [`style`](#dataTypeFormat) | `explode` | `empty` | `string` | `array` | `object`