diff --git a/README.md b/README.md
index 8db4d53..1da5430 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,7 @@ VMDevirt is a project which uses LLVM to lift `vmprofiles` to LLVM IR. This lift
# Compiling
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+ LLVM takes forever to build and a few GB's of cache space in tmp...
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