diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,2 +1,7 @@
 # SillyfillyESPDumper
  Dump memory, flash, registers, efuse, etc from arbitrary ESPs
+
+Requires esptool and espefuse: `pip install esptool` and `pip install espefuse`
+Might need esp-idf later. we'll see.
+
+\o/
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