📚 DOCS: Fix typo (#33)

Author: humitos

README.md

@@ -7,7 +7,7 @@
 
 A sphinx extension that allows the documentation site-map (a.k.a Table of Contents) to be defined external to the documentation files.
 
-In normal Sphinx documentation, the documentation site-map is defined *via* a bottom-up approach - adding [`toctree` directives](https://www.sphinx-doc.org/en/master/usage/restructuredtext/directives.html#table-of-contents) within pages of the documentatio
+In normal Sphinx documentation, the documentation site-map is defined *via* a bottom-up approach - adding [`toctree` directives](https://www.sphinx-doc.org/en/master/usage/restructuredtext/directives.html#table-of-contents) within pages of the documentation.
 
 This extension facilitates a **top-down** approach to defining the site-map structure, within a single YAML file.