diff --git a/release-notes/2.0/2.0.0-preview2.md b/release-notes/2.0/2.0.0-preview2.md
index d16ca252..39aa5592 100644
--- a/release-notes/2.0/2.0.0-preview2.md
+++ b/release-notes/2.0/2.0.0-preview2.md
@@ -10,4 +10,4 @@ New and Updated Linux Distro Support
 * Debian 9
 * Fedora 25
 
-Testing has begun on MacOS High Siera to ensure compatibility when .NET Core 2.0 releases later this year.
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+Testing has begun on MacOS High Sierra to ensure compatibility when .NET Core 2.0 releases later this year.
\ No newline at end of file