diff --git a/BitcoinInvestment/readme.md b/BitcoinInvestment/readme.md
index 4bcfe98..4fea7f8 100644
--- a/BitcoinInvestment/readme.md
+++ b/BitcoinInvestment/readme.md
@@ -1 +1,4 @@
 d
+
+
+https://captainaltcoin.com/wp-content/uploads/2017/09/cryptocheat_sheet.pdf