updating documentation

docs/source/conf.py

@@ -60,7 +60,7 @@ autodoc_member_order = 'bysource'
 templates_path = ['_templates']
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = 'introduction'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.