diff --git a/course_notebooks/Week_3_DecentralisedFinance(DeFi)/03_Decentralised_Finance(DeFi)_Coursebook.ipynb b/course_notebooks/Week_3_DecentralisedFinance(DeFi)/03_Decentralised_Finance(DeFi)_Coursebook.ipynb
index 1bc7145..fc193cf 100644
--- a/course_notebooks/Week_3_DecentralisedFinance(DeFi)/03_Decentralised_Finance(DeFi)_Coursebook.ipynb
+++ b/course_notebooks/Week_3_DecentralisedFinance(DeFi)/03_Decentralised_Finance(DeFi)_Coursebook.ipynb
@@ -525,7 +525,7 @@
     "\n",
     "<img src='https://github.com/dirkkalmbach/bl101/blob/main/bl101/images/ENS_for_unpackai.png?raw=true' width=500px>   \n",
     "\n",
-    "The advantage is obvious: instead of a 42 character long wallet address you can chose a *human-readable* name which relates to your organization or project. Let's say you want to start a crowd-funding project: instead of the high risk of mistyping a cryptocurrency wallet address you provide an easy to remember name for your wallet.  Smart contracts (and therefore ERC-20 tokens) can also have an *EMS-name*.\n",
+    "The advantage is obvious: instead of a 42 character long wallet address you can chose a *human-readable* name which relates to your organization or project. Let's say you want to start a crowd-funding project: instead of the high risk of mistyping a cryptocurrency wallet address you provide an easy to remember name for your wallet.  Smart contracts (and therefore ERC-20 tokens) can also have an *ENS-name*.\n",
     "\n",
     "*We will show you in this weeks [workbook](https://colab.research.google.com/github/unpackAI/BL101/blob/main/course_notebooks/Week_3_DecentralisedFinance%28DeFi%29/03_Decentralised_Finance%28DeFi%29_Workbook.ipynb) how to extract the *Ethereum Name* from a wallet address.* "
    ]