formatting [ci skip]

Author: d-led

Diff for: README.md

@@ -102,9 +102,9 @@ auto query = ...
 - Synchronous C++ API will throw exceptions on HTTP errors
 - Asynchronous APIs will drop inserts on HTTP errors and print to `stderr`
 - C api tries to catch CPP exceptions and
- - print exceptions to `stderr`
- - return non-zero `int` or `nullptr` where sensible
-- Open issue: #18
+  - print exceptions to `stderr`
+  - return non-zero `int` or `nullptr` where sensible
+- Open issue: [#18](https://github.com/d-led/influxdb-cpp-rest/issues/18)
 
 ## Build & Test
 
@@ -128,4 +128,4 @@ If the build fails due to failed dependencies, check [premake5.lua](premake5.lua
 
 
 ## License
-[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fd-led%2Finfluxdb-cpp-rest.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fd-led%2Finfluxdb-cpp-rest?ref=badge_large)
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fd-led%2Finfluxdb-cpp-rest.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fd-led%2Finfluxdb-cpp-rest?ref=badge_large)