Fixed examples.rst

Author: miguelTorrinhaPereira

docs/source/examples.rst

@@ -18,7 +18,7 @@ Draw a pixel
 Result:
 ~~~~~~~
 
-.. image:: pixel.png
+.. image:: images/pixel.png
     :alt: A single pixel on the screen
 
 Draw a rectangle

docs/source/settings.rst

@@ -19,7 +19,7 @@ When the package starts it searches for a config file, in the following order:
 You must create the folder ``~/.config/casioplot`` first to use global config files.
 
 Available presets
-~~~~~~~~~~~~~~~~
+~~~~~~~~~~~~~~~~~
 
 The package comes with 4 preset files, `default.toml`, `fx-CG50.toml`, `fx-CG50_AU` and `graph_90+e.toml`.
 `fx-CG50.toml`, `fx-CG50_AU` and `graph_90+e.toml` have the exact same settings, the only reasson they are three instead of one is for better user experience.