Fix typo in examples README.md

examples/README.md

@@ -1,6 +1,6 @@
 # Examples
 
-This folder contains files related tutorials, for instance, the following tutorials:
+This folder contains files related to tutorials, for instance, the following tutorials:
 
 :page_facing_up: [Sentiment Analysis on Movie Reviews](https://pyss3.readthedocs.io/en/latest/tutorials/movie-review.html)
 
@@ -16,4 +16,4 @@ This folder contains files related tutorials, for instance, the following tutori
 Open any of the Jupyter Notebook files contained in this folder on Binder, an online executable environment, by click the above badge or, individually:
 * [extract_insight.ipynb](https://mybinder.org/v2/gh/sergioburdisso/pyss3/master?filepath=examples/extract_insight.ipynb)
 * [topic_categorization.ipynb](https://mybinder.org/v2/gh/sergioburdisso/pyss3/master?filepath=examples/topic_categorization.ipynb)
-* [movie_review.ipynb](https://mybinder.org/v2/gh/sergioburdisso/pyss3/master?filepath=examples/movie_review.ipynb)
+* [movie_review.ipynb](https://mybinder.org/v2/gh/sergioburdisso/pyss3/master?filepath=examples/movie_review.ipynb)