fix readme

Signed-off-by: Alexey Stepanov <penguinolog@gmail.com>

Author: penguinolog

README.rst

@@ -357,6 +357,6 @@ For code checking several CI systems is used in parallel:
 
 1. `Travis CI: <https://travis-ci.org/python-useful-helpers/exec-helpers>`_ is used for checking: PEP8, pylint, bandit, installation possibility and unit tests. Also it's publishes coverage on coveralls.
 
-2. `Azure Pipelines: <https://dev.azure.com/python-useful-helpers/exec-helpers/_apis/build/status/python-useful-helpers.exec-helpers?branchName=master`_ is used for windows compatibility checking.
+2. `Azure Pipelines: <https://dev.azure.com/python-useful-helpers/exec-helpers/_apis/build/status/python-useful-helpers.exec-helpers?branchName=master>`_ is used for windows compatibility checking.
 
 3. `coveralls: <https://coveralls.io/github/python-useful-helpers/exec-helpers>`_ is used for coverage display.