Update index.rst minor change

documentation/index.rst

@@ -1,7 +1,7 @@
 Natlinkcore documentation
 =====================================
 
-These are the python modules of the Natlink project. "End users" should not need this documentation.
+These are the python modules of the Natlink project. "End users" should not need this documentation...
 
 Please read the [Natlink documentation](https://natlink.readthedocs.io/en/latest/) for installation, configuration and developing the C++ code.