some typo cleanup

Author: sagarlf

docs/python/docstrings.md

@@ -190,9 +190,9 @@ to check that your docstrings render correctly
 
 
 
-## Examples
+### Examples
 
-### Google Docstrings (recommended)
+#### Google Docstrings (recommended)
 
 ```python
 
@@ -495,13 +495,11 @@ class ExampleClass:
 
 ```
 
-### ReStructured Text Doc strings
+#### ReStructured Text Doc strings
 
 You can see this kind of docstring especially in python libraries. 
 Please use **Google** style as they are more readable.
 
-##### Examples:
-
 ```python
 """The method below prints a given string twice
 
@@ -606,7 +604,7 @@ This can be tested with:
 $python example.py -v
 ```
 
-## References
+### References
 
 Thanks to the following
 

docs/python/testing.md

@@ -20,6 +20,6 @@ sidebar_label: Testing
 * Always confirm the `schema` when testing Web API response data.
 * Passing tests for `merge` should be priority for all projects.
 * Tests should always cover:
-    + **Unit**: for you code units. Please use `mock` for external dependency and side effects.
-    + **Functional**: You program functionality.
+    + **Unit**: for your code units. Please use `mock` for external dependency and side effects.
+    + **Functional**: Your program functionality.
     + **Integration**: Your whole program integration.