Fix my own spelling!

Author: novedevo

README.md

@@ -20,7 +20,7 @@ including bitmap, vector graph, piston window, GTK/Cairo and WebAssembly.
 - Try Plotters with an interactive Jupyter notebook, or view [here](https://plotters-rs.github.io/plotters-doc-data/evcxr-jupyter-integration.html) for the static HTML version.
 - To view the WASM example, go to this [link](https://plotters-rs.github.io/wasm-demo/www/index.html)
 - Currently we have all the internal code ready for console plotting, but a console based backend is still not ready. See [this example](https://github.com/38/plotters/blob/master/examples/console.rs) for how to plot on console with a customized backend.
-- Plotters has moved all backend code to seperate repositories, check [FAQ list](#faq-list) for details
+- Plotters has moved all backend code to separate repositories, check [FAQ list](#faq-list) for details
 - Some interesting [demo projects](#demo-projects) are available, feel free to try them out.
 
 ## Gallery