show the right icon

[skip ci]

README.md

@@ -1,4 +1,4 @@
-![trail icon](https://raw.githubusercontent.com/tpluscode/Nancy.Routing.UriTemplates/master/assets/noun_27516.png)
+![trail icon](https://raw.githubusercontent.com/tpluscode/UriTemplateString/master/assets/noun_690990.png)
 
 # UriTemplateString [![Build status][av-badge]][build] [![NuGet version][nuget-badge]][nuget-link] [![codecov.io][cov-badge]][cov-link]
 
@@ -32,4 +32,4 @@ public class PeopleModule : Nancy.Routing.UriTemplates.UriTemplateModule
 [nuget-badge]: https://badge.fury.io/nu/UriTemplateString.svg
 [nuget-link]: https://badge.fury.io/nu/UriTemplateString
 [cov-badge]: https://codecov.io/github/tpluscode/UriTemplateString/coverage.svg?branch=master
-[cov-link]: https://codecov.io/github/tpluscode/UriTemplateString?branch=master
+[cov-link]: https://codecov.io/github/tpluscode/UriTemplateString?branch=master