diff --git a/README.md b/README.md
index 94d7343..5978aa1 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,8 @@
 # pdf-mass-cleanuptools
 
-Clean up that MetaDataMess
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+Clean up that MetaDataMess
+
+## Needs:
+
++ pip install pdf2image
++ sudo apt-get install poppler-utils
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