diff --git a/examples/jupyter/candu.ipynb b/examples/jupyter/candu.ipynb
index 1349e80adf..672d56f899 100644
--- a/examples/jupyter/candu.ipynb
+++ b/examples/jupyter/candu.ipynb
@@ -52,7 +52,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "With out materials created, we'll now define key dimensions in our model. These dimensions are taken from the example in section 11.1.3 of the [Serpent manual](http://montecarlo.vtt.fi/download/Serpent_manual.pdf)."
+    "With our materials created, we'll now define key dimensions in our model. These dimensions are taken from the example in section 11.1.3 of the [Serpent manual](http://montecarlo.vtt.fi/download/Serpent_manual.pdf)."
    ]
   },
   {