Fix a broken link and a double space in README.md (#946)

CONTRIBUTING.md

@@ -7,7 +7,7 @@
 
 
 ## Contributing a pull request
-This project welcomes contributions and suggestions.  Most contributions require you to agree to a
+This project welcomes contributions and suggestions. Most contributions require you to agree to a
 Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us
 the rights to use your contribution. For details, visit https://cla.microsoft.com.
 
@@ -22,7 +22,7 @@ pip install -r test_requirements.txt
 ```
 
 ### Linting
-We use `flake8` for linting, and the settings can be found here [flake8](flake8)
+We use `flake8` for linting, and the settings can be found here [flake8](.flake8)
 
 ### Formatting
 This is optional. Use the following settings for `autopep8` or equivalent settings with the formatter of your choice: