diff --git a/docs/axes/cartesian/index.md b/docs/axes/cartesian/index.md
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 # Cartesian Axes
 
-Axes that follow a cartesian grid are known as 'Cartesian Axes'. Cartesian axes are used for line, bar, and bubble charts. Four cartesian axes are included in Chart.js by default.
+Axes that follow a cartesian grid are known as 'Cartesian Axes'. Cartesian axes are used for line, bar, and bubble charts. Five cartesian axes are included in Chart.js by default.
 
 * [linear](./linear.md)
 * [logarithmic](./logarithmic.md)