Fixed release date

Author: abhishektrip

documentation/docs/05-changelog.md

@@ -1,7 +1,7 @@
 ## CHANGELOG
 
 ### v.1.3.0
-*12/08/2017*
+*12/18/2017*
 
 ##### Upgrade Instructions 
 - As always, if you already have a project with a previous version of the SDK, please remove older versions before installing this new one!
@@ -284,4 +284,4 @@
 
 ### v0.1.1
 - removed orphaned references from link.xml, this was causing build errors
-  - moved JSON utility to Mapbox namespace to avoid conflicts with pre-exisiting frameworks
+  - moved JSON utility to Mapbox namespace to avoid conflicts with pre-exisiting frameworks