Update 3.0.4.md

Author: ralfhandl

versions/3.0.4.md

@@ -189,7 +189,7 @@ The formats defined by the OAS are:
 
 | [`type`](#data-types) | [`format`](#data-type-format) | Comments                                                                                  |
 | -------------------- | --------------------------- | ----------------------------------------------------------------------------------------- |
-| `integer `           | `int32`                     | signed 32 bits                                                                            |
+| `integer`            | `int32`                     | signed 32 bits                                                                            |
 | `integer`            | `int64`                     | signed 64 bits (a.k.a long)                                                               |
 | `number`             | `float`                     |                                                                                           |
 | `number`             | `double`                    |                                                                                           |