diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 8a0c2257c31..c68cbf31b5b 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -113,7 +113,8 @@ long jumping.  For these programs you must use the C backend.<p>
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-LLVM has only been extensively tested on ia32-linux and sparc-solaris machines.
+LLVM has only been extensively tested on Intel and AMD machines running Red
+Hat Linux, and Sun UltraSPARC workstations running Solaris 8.
 The core LLVM infrastructure uses "autoconf" for portability, so hopefully we
 work on more platforms than that.  However, it is extremely likely that we
 missed something.  We welcome portability patches and error messages.<p>