diff --git a/03_ethics.ipynb b/03_ethics.ipynb
index 5479ac5..c5a4371 100644
--- a/03_ethics.ipynb
+++ b/03_ethics.ipynb
@@ -386,7 +386,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "<img src=\"images/ethics/pipeline_diagram.svg\" id=\"bias\" caption=\"Bias in machine learning can come from multiple sources (curtesy of Harini Suresh and John V. Guttag)\" alt=\"A diagram showing all sources where bias can appear in machine learning\" width=\"700\">"
+    "<img src=\"images/ethics/pipeline_diagram.svg\" id=\"bias\" caption=\"Bias in machine learning can come from multiple sources (courtesy of Harini Suresh and John V. Guttag)\" alt=\"A diagram showing all sources where bias can appear in machine learning\" width=\"700\">"
    ]
   },
   {