diff --git a/components/sections/extended/index.js b/components/sections/extended/index.js
index 74f9287d..9922ecb3 100644
--- a/components/sections/extended/index.js
+++ b/components/sections/extended/index.js
@@ -94,7 +94,7 @@ var Explanation = React.createClass({
of Bézier curves, where rather than fixing the interval, and giving you free coordinates, they fix
the coordinates, but give you freedom over the interval. A great example of this is the "Spiro"
curve, which is a curve based on part of a Cornu Spiral, also
- known as Euler's Spiral. It's a very easthetically pleasing curve and you'll find it in
+ known as Euler's Spiral. It's a very aesthetically pleasing curve and you'll find it in
quite a few graphics packages
like FontForge and Inkscape, having
even been used in font design (such as for the Inconsolata font).