Update textAlign prop

Author: ryan-roemer

docs/api-reference.md

@@ -56,7 +56,7 @@ These tags are for displaying textual content.
 | Tag Name            | Theme Props                                                                                                 | Additional Props           | Default Props                                                                                                                                                    |
 |---------------------|-------------------------------------------------------------------------------------------------------------|----------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | **`Text`**          | [**Space**](./props#space)<br />[**Color**](./props#color)<br /> [**Typography**](./props#typography)       | —                          | **color**: primary<br /> **fontFamily**: text<br />**fontSize**: text<br />**textAlign**: left<br />**margin**: textMargin                                       |
-| **`FitText`**       | [**Space**](./props#space)<br />[**Color**](./props#color)<br /> [**Typography**](./props#typography)       | —                          | **color**: primary<br /> **fontFamily**: text<br />**fontSize**: text<br />**textAlign**: left<br />**margin**: textMargin                                       |
+| **`FitText`**       | [**Space**](./props#space)<br />[**Color**](./props#color)<br /> [**Typography**](./props#typography)       | —                          | **color**: primary<br /> **fontFamily**: text<br />**fontSize**: text<br />**textAlign**: center<br />**margin**: textMargin                                       |
 | **`Heading`**       | [**Space**](./props#space)<br />[**Color**](./props#color)<br /> [**Typography**](./props#typography)       | —                          | **color**: secondary<br /> **fontFamily**: header<br />**fontSize**: h1<br />**fontWeight**: bold<br />**textAlign**: center<br />**margin**: headerMargin       |
 | **`Link`**          | [**Space**](./props#space)<br />[**Color**](./props#color)<br /> [**Typography**](./props#typography)<br /> | **href**: PropTypes.string | **color**: quaternary<br /> **fontFamily**: text<br />**fontSize**: text<br />**textDecoration**: underline<br />**textAlign**: left<br />**margin**: textMargin |
 | **`Quote`**         | [**Space**](./props#space)<br />[**Color**](./props#color)<br /> [**Typography**](./props#typography)<br /> | —                          | **color**: primary<br /> **fontFamily**: text<br />**fontSize**: text<br />**textAlign**: left<br />**borderLeft**: 1px solid secondary                          |

packages/spectacle/src/components/typography.tsx

@@ -130,6 +130,7 @@ const ScalableText = styled(
 `;
 ScalableText.defaultProps = {
   ...Text.defaultProps,
+  textAlign: 'center',
   scale: 1
 };