Update changelog.
diff --git a/CHANGES.rst b/CHANGES.rst
index f72337b..b05bd18 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -57,6 +57,9 @@
    (GITHUB-1376)
    [Rob Zimmerman - @zimventures]
 
+- [EC2] Add support for new ``inf1.*`` instance types.
+  [Tomaz Muraus]
+
 Storage
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