Fix changelog

CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 217f5c8..06309d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,11 +6,11 @@
 
 ## [Unreleased]
 
-## [0.3.7] - 2019-09-04
+## [0.3.8] - 2019-09-04
 ### Changed
 - Reverted codec_aom and libaom to use previous SHA (v1.0.0-errata1 is ancient)
 
-## [0.3.7] - 2019-09-04
+## [0.3.7] - 2019-09-04 - *DO NOT USE THIS VERSION*
 ### Added
 - Check for proper width/height/depth when decoding alpha with dav1d, matching libaom's impl