diff --git a/Notebooks/Chap21/21_2_Explainability.ipynb b/Notebooks/Chap21/21_2_Explainability.ipynb
index d0b28eb..e64cc41 100644
--- a/Notebooks/Chap21/21_2_Explainability.ipynb
+++ b/Notebooks/Chap21/21_2_Explainability.ipynb
@@ -400,7 +400,7 @@
     {
       "cell_type": "markdown",
       "source": [
-        "This model is easilly intepretable.  The k'th coeffeicient tells us the how much (and in which direction) changing the value of the k'th input will change the output.  This is only valid in the vicinity of the input $x$.\n",
+        "This model is easily interpretable.  The k'th coefficient tells us the how much (and in which direction) changing the value of the k'th input will change the output.  This is only valid in the vicinity of the input $x$.\n",
         "\n",
         "Note that a more sophisticated version of LIME would weight the training points according to how close they are to the original data point of interest."
       ],