Fix an attribution link in 0.7.0 changelog

CHANGELOG.md

@@ -9,8 +9,8 @@
 * Build command exits, if there are errors from UglifyJS ([@pdillon](https:/pdillon) in [#859](https:/facebookincubator/create-react-app/pull/859))
 * Eject output is more beautiful now. ([@azakordonets](https:/azakordonets) in [#769](https:/facebookincubator/create-react-app/pull/769))
 * Fixes opening the app in a new tab in Chrome. ([@unixdev](https:/unixdev) in [#831](https:/facebookincubator/create-react-app/pull/831))
-* Fixes environment variables not being defined as normal properties of the `process.env` object. ([@jobi](https:/jobi) in [#795](https:/facebookincubator/create-react-app/issues/795))
-* Fixes PostCSS autoprefixer not processing CSS files imported with CSS `@import` statements. ([@nhunzaker](https:/nhunzaker) in [##929](https:/facebookincubator/create-react-app/pull/929))
+* Fixes environment variables not being defined as normal properties of the `process.env` object. ([@dvkndn](https:/dvkndn) in [#807](https:/facebookincubator/create-react-app/pull/807))
+* Fixes PostCSS autoprefixer not processing CSS files imported with CSS `@import` statements. ([@nhunzaker](https:/nhunzaker) in [#929](https:/facebookincubator/create-react-app/pull/929))
 
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