Fix typo in readme
avaliable > available
@@ -23,7 +23,7 @@ The following implementations are available:
Tutorials
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-* Tutorials are avaliable [here](https://github.com/catboost/catboost/tree/master/catboost/tutorials).
+* Tutorials are available [here](https://github.com/catboost/catboost/tree/master/catboost/tutorials).
Catboost models in production
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