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 ## Big O Notation
 
-Order of growth of algorithms specified in Big-O notation. Source: [Big-O Cheat Sheet](http://bigocheatsheet.com/).
+Order of growth of algorithms specified in Big O notation. Source: [Big O Cheat Sheet](http://bigocheatsheet.com/).
 
 ![Big O graphs](https://github.com/trekhleb/javascript-algorithms/blob/master/assets/big-O-graph.png)