diff --git a/notebook/JupyterNotebookGuide.ipynb b/notebook/JupyterNotebookGuide.ipynb
index 3d9a689b303f551567e009e9562d0fbd41cc8039..dced6b394cf147fd8d35ed45648995ae4d2b8d25 100644
--- a/notebook/JupyterNotebookGuide.ipynb
+++ b/notebook/JupyterNotebookGuide.ipynb
@@ -111,7 +111,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# math.sqrt (pour square root) calculates the square root\n",
+    "# math.sqrt (for square root) calculates the square root\n",
     "import math\n",
     "math.sqrt(2)"
    ]