Update CHANGELOG.md

uerceg · web-flow · commit abca14a20706 · 2017-12-13T22:40:06.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
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+### Version 4.12.1 (13th December 2017)
+#### Fixed
+- Fixed compatibility of Adjust SDK with apps that are already using `Reachability` class (https://github.com/adjust/ios_sdk/issues/315) (thanks to @fedetrim).
+
+---
+
 ### Version 4.12.0 (13th December 2017)
 #### Added
 - Added reading of MCC.
