Updated NetBSD (markdown)
diff --git a/NetBSD.md b/NetBSD.md
index 46ae87e..ba578c4 100644
--- a/NetBSD.md
+++ b/NetBSD.md
@@ -1,5 +1,7 @@
# Go on NetBSD
+Go on NetBSD is not stable as of Go 1.8/Go 1.9. See https://tip.golang.org/doc/go1.9#known_issues and https://github.com/golang/go/issues/20852
+
| **Kernel version** | **Architectures** | **Initial support version** | **Final support version** |
|:----------------------|:------------------|:----------------------------|:--------------------------|
| 7.0 or above | amd64, arm, 386 | Go 1.3 _*_ | |