diff --git a/Notebooks/Chap12/12_1_Self_Attention.ipynb b/Notebooks/Chap12/12_1_Self_Attention.ipynb
index 3a26f94..eb584b8 100644
--- a/Notebooks/Chap12/12_1_Self_Attention.ipynb
+++ b/Notebooks/Chap12/12_1_Self_Attention.ipynb
@@ -31,7 +31,7 @@
       "source": [
         "# **Notebook 12.1: Self Attention**\n",
         "\n",
-        "This notebook builds a self-attnetion mechanism from scratch, as discussed in section 12.2 of the book.\n",
+        "This notebook builds a self-attention mechanism from scratch, as discussed in section 12.2 of the book.\n",
         "\n",
         "Work through the cells below, running each cell in turn. In various places you will see the words \"TO DO\". Follow the instructions at these places and make predictions about what is going to happen or write code to complete the functions.\n",
         "\n",