diff --git a/README.md b/README.md
index 8f69f31..ba53367 100644
--- a/README.md
+++ b/README.md
@@ -5,4 +5,4 @@ valDict can be served using the built in react server that comes with this repo,
 
 
 ## Building
-building valDict is very easy, just clone the repo and run: `./downloadDict.sh` then run `./cleanbuild.sh`
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+building valDict is very easy, just clone the repo and run: `./downloadDict.sh` then run `./cleanbuild.sh` (beware, building takes a LONGGGG time... (has to write 20gb~ worth of files))
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